Chanket, U., and C. Mongkolsawat. “Evaluation of Forest Canopy Density and Forest Fragmentation Using Landsat Data in Phu Khieo Wildlife Sanctuary, Thailand”. International Journal of Geoinformatics 15, no. 3 (September 1, 2019): 55–64. Accessed April 28, 2026. https://ijg.journals.publicknowledgeproject.org/index.php/journal/article/view/1855.