Krishnaveni Sritharan , Phua Cun Uei , Mangair Karasi Manickam. “Factors Influencing the Intention of Tertiary Learners in Johor to Perform an In-Games Purchase”. International Journal of Advanced Science and Technology, Vol. 29, no. 10s, May 2020, pp. 584 -90, http://sersc.org/journals/index.php/IJAST/article/view/14471.