Mansor, M., M. Tayib, and R. @ N. Yusof. “Malaysian Indirect Tax Administration System: An Analysis of Efficiency and Taxpayers’ Perceptions”. International Journal of Management Studies, vol. 12, no. 2, Dec. 2005, pp. 19-40, https://e-journal.uum.edu.my/index.php/ijms/article/view/9208.