Ratchata Phochayavanich. 2007. Species diversity and seasonal activity of amphibians at different elevations in Num San Noi stream at Phuluang Wildlife Sanctuary. Faculty of Science, Chulalongkorn University;
Ratchata Phochayavanich. (2007) Species diversity and seasonal activity of amphibians at different elevations in Num San Noi stream at Phuluang Wildlife Sanctuary . Chulalongkorn University/Bangkok.
Ratchata Phochayavanich. Species diversity and seasonal activity of amphibians at different elevations in Num San Noi stream at Phuluang Wildlife Sanctuary. . Bangkok:Chulalongkorn University, 2007.
Ratchata Phochayavanich. (2007) Species diversity and seasonal activity of amphibians at different elevations in Num San Noi stream at Phuluang Wildlife Sanctuary . Chulalongkorn University/Bangkok.