Poommirat, Peeruch, Athit Sengtan, Pasin Maparasop, Naludol Limpanasittichai, and Aor Pranchai. 2021. “Health Assessment of Avicennia Spp. Forest Through an Unmanned Aerial Vehicle Located at the Upper Gulf of Thailand”. Thai Journal of Forestry 40 (2). Bangkok, Thailand:17-28. https://li01.tci-thaijo.org/index.php/tjf/article/view/249315.