Duangsamorn Taja. 1994. Methane emission from the sandy paddy soil in northeast Thailand. Khon Kaen:Khon Kaen University;
Duangsamorn Taja. (1994) Methane emission from the sandy paddy soil in northeast Thailand (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.
Duangsamorn Taja. Methane emission from the sandy paddy soil in northeast Thailand. Khon Kaen:Khon Kaen University, 1994.
Duangsamorn Taja. (1994) Methane emission from the sandy paddy soil in northeast Thailand (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.