Siti Hajar Muhd Ariff. 2020. “EFFECTIVENESS OF RISK MANAGEMENT FUNCTION AT MALAYSIA AIRPORTS (MA) SEPANG SDN BHD ”. Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS) 6 (2). https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/168.