Ponpituk, Y. ., S. . Siri, P. . Paansri, M. . Safoowong, W. . Suksavate, D. Marod, and P. . Duengkae. “Effects of Gap Age on Understory Bird Population in Mae Sa-Kog Ma Biosphere Reserve, Northern Thailand”. Agriculture and Natural Resources, vol. 56, no. 3, June 2022, pp. 645–656, https://li01.tci-thaijo.org/index.php/anres/article/view/255082.