Rungsipanich, K., D. Sripraram, P. Diloksumpun, and Y. Trisurat. “Analysis of Forest Canopy Density Using Remotely Sensed Data: A Case Study in Chiang Mai Province”. Thai Journal of Forestry, vol. 32, no. 2, Aug. 2022, pp. 101-13, https://li01.tci-thaijo.org/index.php/tjf/article/view/255581.