Rakpong Petkam. 2006. Risk Assessment of Endocrine and Reproductive Physiology in Fish Collected from Different Ecological Reservoirs in Khon Kaen Province. Khon Kaen:Khon Kaen University;
Rakpong Petkam. (2006) Risk Assessment of Endocrine and Reproductive Physiology in Fish Collected from Different Ecological Reservoirs in Khon Kaen Province (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.
Rakpong Petkam. Risk Assessment of Endocrine and Reproductive Physiology in Fish Collected from Different Ecological Reservoirs in Khon Kaen Province. Khon Kaen:Khon Kaen University, 2006.
Rakpong Petkam. (2006) Risk Assessment of Endocrine and Reproductive Physiology in Fish Collected from Different Ecological Reservoirs in Khon Kaen Province (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.