Margaux Elijah P. Neri, et al. “Assessment of Pine Forest Condition Towards Early Detection and Monitoring of Stress Through a Synergistic Use of Sentinel-1 and Sentinel-2 Imagery”. Journal of Advanced Geospatial Science & Technology, vol. 1, no. 1, July 2021, pp. 1-18, https://jagst.utm.my/index.php/jagst/article/view/11.