Abstract
This chapter provides discussions on what is already known in the area of this research, touching particularly on the key concepts, theories, and factors and how they are relevant to this research. Some inconsistencies, limitations, and problem in existing literature are discussed. Discussions on why some of these limitations and inconsistencies occur, how the knowledge relates to this research, as well as issues still yet to study effectively are carried out. Finally, it sets the basis for what contributions this research makes and who will benefit from such a study.