Amphorn Sakset และ Chatchai Preecha and Worapat Horjarlearn. (2021) Variations of phytoplankton in lower part of the Tapee River Basin (TRB), Surat Thani Province, Thailand. <i>Khon Kaen Agriculture Journal</i>, <i>49</i>(3), 763-778.Amphorn Sakset และ Chatchai Preecha and Worapat Horjarlearn. "Variations of phytoplankton in lower part of the Tapee River Basin (TRB), Surat Thani Province, Thailand". Khon Kaen Agriculture Journal 49 (2021):763-778.Amphorn Sakset และ Chatchai Preecha and Worapat Horjarlearn. Variations of phytoplankton in lower part of the Tapee River Basin (TRB), Surat Thani Province, Thailand. Faculty of Agriculture:ม.ป.ท. 2021.