1. Sulaiman, Y., Bakar, N. A. A., Ismail, M. Y. S., Mat, N. K. N., Musa, R., (2017). The function of marketing mix and consumer preferences on healthy food consumption among UUM students. International Journal of Economic Research 14(19), pp. 103-122
2. Abdghani, N. H., Nikmat, N. K., Sulaiman, Y., (2019). Export performance: The role of product quality and market orientation. WSEAS Transactions on Business and Economics 16,25, pp. 215-225
3. Sulaiman, Y., Jauhari, N., (2021). The Factors Influencing Mobile Banking Usage among University Staff. WSEAS Transactions on Business and Economics 18, pp. 179-189
4. Khosla, S. (2010). Consumer psychology: The essence of Marketing. International Journal of Educational Administration 2 (2): 220-220.
5. Kotler, P. & Armstrong, G. (2012), Principle of Marketing, United States of America, Mc Milan Publishing Company.