Sixanonh และผู้แต่งคนอื่นๆ. 1993. Variation in farming practices as related to resource availability : a case study in Tasseng Dongbang Laos. Graduate School, Khon Kaen University;
Sixanonh และผู้แต่งคนอื่นๆ. (1993) Variation in farming practices as related to resource availability : a case study in Tasseng Dongbang Laos . Khon Kaen University/Khon Kaen.
Sixanonh และผู้แต่งคนอื่นๆ. Variation in farming practices as related to resource availability : a case study in Tasseng Dongbang Laos. . Khon Kaen:Khon Kaen University, 1993.
Sixanonh และผู้แต่งคนอื่นๆ. (1993) Variation in farming practices as related to resource availability : a case study in Tasseng Dongbang Laos . Khon Kaen University/Khon Kaen.