PUDPONG, SUPASINEE, and CHITCHAI CHANTANGSI. “Effects of Four Heavy Metals on Cell Morphology and Survival Rate of the Ciliate Bresslauides sp”. Tropical Natural History 15, no. 2 (October 1, 2015): 117–125. accessed April 16, 2025. https://li01.tci-thaijo.org/index.php/tnh/article/view/103076.