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Phoumy Phoumanivong. 2004. Needs for training and support of forestry extension workers in Savannakhet province, Lao PDR. Field of Study Agricultural Extension, Khon Kaen University;
Phoumy Phoumanivong. (2004) Needs for training and support of forestry extension workers in Savannakhet province, Lao PDR . Khon Kaen University/Khon Kaen.
Phoumy Phoumanivong. Needs for training and support of forestry extension workers in Savannakhet province, Lao PDR. . Khon Kaen:Khon Kaen University, 2004.
Phoumy Phoumanivong. (2004) Needs for training and support of forestry extension workers in Savannakhet province, Lao PDR . Khon Kaen University/Khon Kaen.