Joycharat, Nantiya, Decho Thammanee, Napat Phrommachan, Sarit Trimanee, Thanateap Poongern, Chonlatid Sontimuang, and Surasak Limsuwan. “ Schum”. KKU Science Journal 45, no. 1 (March 30, 2017): 68–82. accessed October 4, 2026. https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249664.