Yik Koon, T., A. D. Gopinath, and . A. . S.M Omar. “In Memoriam Lieutenant Colonel Professor Ahmad Ghazali Abu Hassan (1956-2022)”. SINERGI : Journal of Strategic Studies & International Affairs, vol. 3, no. Special Issue (March), Mar. 2023, pp. 100-4, doi:10.17576/sinergi.SI1.2023.08.