Nanta Sitthirach. 2002. Productivity of floodplain forest areas under different land use systems : a case study Ban Pak Yam, Srisongkram district, Nakhon Phanom province. Field of Study Agricultural Resources and Environment, Khon Kaen University;
Nanta Sitthirach. (2002) Productivity of floodplain forest areas under different land use systems : a case study Ban Pak Yam, Srisongkram district, Nakhon Phanom province . Khon Kaen University/Khon Kaen.
Nanta Sitthirach. Productivity of floodplain forest areas under different land use systems : a case study Ban Pak Yam, Srisongkram district, Nakhon Phanom province. . Khon Kaen:Khon Kaen University, 2002.
Nanta Sitthirach. (2002) Productivity of floodplain forest areas under different land use systems : a case study Ban Pak Yam, Srisongkram district, Nakhon Phanom province . Khon Kaen University/Khon Kaen.