Yazid, A., R. Wahid, K. Nazrin, A. Ahmad, A. Nasruddin, D. Rozilawati, M. Hamzah, and M. Razak. “TERRAIN MAPPING FROM UNMANNED AERIAL VEHICLES”. Journal of Advanced Manufacturing Technology (JAMT), vol. 13, no. 1, Aug. 2019, pp. 1-16, https://ojsdemo.utem.edu.my/jamt/article/view/5228.