Yupa Thasod. 2007. Miocene mastodont in Thailand and paleoenvironment. Field of Study Geology, Chiang Mai University;
Yupa Thasod. (2007) Miocene mastodont in Thailand and paleoenvironment . Chiang Mai University/Chiang Mai.
Yupa Thasod. Miocene mastodont in Thailand and paleoenvironment. . Chiang Mai:Chiang Mai University, 2007.
Yupa Thasod. (2007) Miocene mastodont in Thailand and paleoenvironment . Chiang Mai University/Chiang Mai.