Evaluating scientific quality of a journal is a notoriously cumbersome problem that so far no standard consensus. Preferably, scientific journals should be examined by real experts in the field and given scores on quality according to standard guidelines. Nevertheless, information scientists (i.e. scientometricians) have developed a diverse range of tools to examine scientific merits of scientific publications that mainly depending on various indexes that counting citations. The impact factor (IF) is commonly used to examine the visibility of a journal. It is the average number of citations a paper of a journal attracts in the two years following its publication.