Displaying all 9 publications

  1. Hisham, A.F.B., Jaffar, M.M., Othman, J.
    There are many research papers on implementing the salam structure in the financial system. This
    study introduces a mathematical model of salam contract with credit risk that can be used as an Islamic financial derivative. It explores the properties of salam contract and the credit model that represents it, that is, the structural model with the default event on maturity of the salam contract.
  2. Othman A.K., Othman J., Sharifah Mastura S.A.
    This paper focuses on Langat River basin which is experiencing fast pace land use changes and accelerated soil erosion associated with land clearing and earthwork activities. Land use changes detected from Landsat imageries from 1989-1999 show that urban expansion is the most active, i.e. recording an expansion of 180% over that time period. The major land use reduction is the tropical dipterocarp rainforest located along the upper catchment of the Langat River and the mangrove forest found along Kuala Langat in the west. The 11% decline in the trend of the forest over that decade is anticipated to contribute in the near future. Results from logistic regression on the casual factors of rapid land use changes are attributed to three significant variables namely transport accessibility, population dynamics and agriculture. The eroded material due to land use changes enters into the Langat River systems as suspended sediments and contributed as non point source of pollution. Some finer sediment is being discharged offshore forming sediment plumes at the river estuary. Sediment plumes detected by Landsat TM imageries were analysed. It is found that the dispersion was not extensive and generally the suspended solids existed at low concentration (varying from 10-50 mg/l). This result is unexpected considering the rapid land use and land cover change that is occurring within the basins. These are mainly due to the loss of sediments during flooding into flood plain and active dredging of the river channels.
  3. Othman J, Khee PC
    Waste Manag Res, 2014 May;32(5):454-7.
    PMID: 24595362 DOI: 10.1177/0734242X14523662
    A choice experiment analysis was conducted to estimate the preference for specific waste disposal technologies in Malaysia. The study found that there were no significant differences between the choice of a sanitary landfill or an incinerator. What matters is whether any disposal technology would lead to obvious social benefits. A waste disposal plan which is well linked or integrated with the community will ensure its acceptance. Local authorities will be challenged to identify solid waste disposal sites that are technically appropriate and also socially desirable.
  4. Yahoo M, Othman J
    Sci Total Environ, 2017 Apr 15;584-585:234-243.
    PMID: 28152460 DOI: 10.1016/j.scitotenv.2017.01.164
    The impact of global warming has received much international attention in recent decades. To meet climate-change mitigation targets, environmental policy instruments have been designed to transform the way goods and services are produced as well as alter consumption patterns. The government of Malaysia is strongly committed to reducing CO2gas emissions as a proportion of GDP by 40% from 2005 levels by the year 2020. This study evaluates the economy-wide impacts of implementing two different types of CO2emission abatement policies in Malaysia using market-based (imposing a carbon tax) and command-and-control mechanism (sectoral emission standards). The policy simulations conducted involve the removal of the subsidy on petroleum products by the government. A carbon emission tax in conjunction with the revenue neutrality assumption is seen to be more effective than a command-and-control policy as it provides a double dividend. This is apparent as changes in consumption patterns lead to welfare enhancements while contributing to reductions in CO2emissions. The simulation results show that the production of renewable energies is stepped up when the imposition of carbon tax and removal of the subsidy is augmented by revenue recycling. This study provides an economy-wide assessment that compares two important tools for assisting environment policy makers evaluate carbon emission abatement initiatives in Malaysia.
  5. Mohd Said N, Othman J, Hairi F
    Malaysia's healthcare delivery system in Vision 2020 will be recognized as one of the world’s best. Putrajaya Health Clinic is our first paperless health clinic in Malaysia that incorporates the Health Information System (HIS). This system cuts across programmes and sections in the operational work process in the clinic with the ultimate aim of achieving a paperless status. This clinic provides a comprehensive health care service at the point of contact and focuses on wellness, clientfriendly, seamless and borderless care with e]§‘icient use of resources and towards high a quality of service. This health clinic which seesthe majority of the attendance being well persons, through the immunization programme, antenatal, postnatal, family planning, school health, and well clinics for child and adult, will continue to extend and further expand its services to include geriatric, ill mental, occupational and rehabilitative care. The e-government within Putrajaya will facilitate the use of an
    appointment system, which can be done through e—mail, fax, telephone or walk-in. Information and
    communication technology will also facilitate the promotion of health education for individuals and communities. To facilitate efective streaming or screening of clients/attendees, a simple triage system is introduced. Prompt, short and accurate is the rule for triaging, thus providing timely and ejfective care. New information and communication technologies will allow healthcare providers to adopt a more virtual, more integrated and more distributed approach in the delivery of health services. It was documented that the average contact time at the triage counter in Putrajaya Health Clinic was 1.16 minutes, i.e. the shortest among other services provided here.
  6. Othman J, Sahani M, Mahmud M, Ahmad MK
    Environ Pollut, 2014 Jun;189:194-201.
    PMID: 24682070 DOI: 10.1016/j.envpol.2014.03.010
    This study assessed the economic value of health impacts of transboundary smoke haze pollution in Kuala Lumpur and adjacent areas in the state of Selangor, Malaysia. Daily inpatient data from 2005, 2006, 2008, and 2009 for 14 haze-related illnesses were collected from four hospitals. On average, there were 19 hazy days each year during which the air pollution levels were within the Lower Moderate to Hazardous categories. No seasonal variation in inpatient cases was observed. A smoke haze occurrence was associated with an increase in inpatient cases by 2.4 per 10,000 populations each year, representing an increase of 31 percent from normal days. The average annual economic loss due to the inpatient health impact of haze was valued at MYR273,000 ($91,000 USD).
  7. Aziz NA, Othman J, Lugova H, Suleiman A
    J Infect Public Health, 2020 Dec;13(12):1823-1829.
    PMID: 32896496 DOI: 10.1016/j.jiph.2020.08.007
    Malaysia recorded its first case of COVID-19 on January 24th, 2020 with a stable number of reported cases until March 2020, where there was an exponential spike due to a massive religious gathering in Kuala Lumpur. This caused Malaysia to be the hardest hit COVID-19 country in South East Asia at the time. In order to curb the transmission and better managed the clusters, Malaysia imposed the Movement Control Order (MCO) which is now in its fourth phase. The MCO together with targeted screening have slowed the spread of COVID-19 epidemic. The government has also provided three economic stimulus packages in order to cushion the impact of the shrinking economy. Nonetheless, early studies have shown that the MCO would greatly affect the lower and medium income groups, together with small and medium businesses.
  8. Syazwan A, Rafee BM, Hafizan J, Azman A, Nizar A, Izwyn Z, et al.
    PMID: 22570579 DOI: 10.2147/RMHP.S26567
    To meet the current diversified health needs in workplaces, especially in nonindustrial workplaces in developing countries, an indoor air quality (IAQ) component of a participatory occupational safety and health survey should be included.
  9. Syazwan A, Rafee BM, Juahir H, Azman A, Nizar A, Izwyn Z, et al.
    Drug Healthc Patient Saf, 2012;4:107-26.
    PMID: 23055779 DOI: 10.2147/DHPS.S33400
    To analyze and characterize a multidisciplinary, integrated indoor air quality checklist for evaluating the health risk of building occupants in a nonindustrial workplace setting.
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