K. . Pelden, C. . Yangden, R. Wangmo, P. . Gyalpo, and P. R. . Dhungyel, “Immediate Personal Security Service”, zm, vol. 5, no. 1, pp. 37–41, Jun. 2021, Accessed: Jun. 30, 2025. [Online]. Available: http://103.133.216.217/index.php/zm/article/view/55