Wan Hassan, Wan Shawaluddin, & Ramli Dollah. " ISU-ISU KESELAMATAN SABAH DAN IMPAK KEPADA MALAYSIA (ISSUES IN SABAH SECURITY AND ITS IMPACT TO MALAYSIA)." JATI - JOURNAL OF SOUTHEAST ASIAN STUDIES [Online], 13 (2008): 49-68. Web. 18 Oct. 2019