Many people think that the quality of article depend on which international journal can be published. So, Scopus is a common references of standardized journal.
All journals covered in the Scopus database, regardless of who they are published under, are reviewed each year to ensure high quality standards are maintained .
Because Scopus has been recognized as the most important database for the indexing of scientific articles by key scientific institutions in many countries.
Scopus use cite factor while Thompson Reuters use impact factor (IF) as a citation measure produced by Thompson Scientific's ISI Web of Knowledge (Web of Science) database. Impact factors are published annually in ISI's Journal Citation Reports database.
Today, everybody mentions IF without regarding it to its source. The best and number one metric system is that of ISI. However, scopus is not second fiddle, yet the mostly used index by highly ranked Universities for their academic staff is that of ISI. It is advisable to always check a journal if it is indexed in ISI.