Thailand Development Research Institute Foundation
Assessment of sustainable highland agricultural systems - Bangkok : Thailand Development Research Institute Foundation, 1994 - 149
HILL FARMING--THAILAND, NORTHERN
HILL FARMING--ECONOMIC ASPECTS--THAILAND, NORTHERN
S604.3 / T424A
Assessment of sustainable highland agricultural systems - Bangkok : Thailand Development Research Institute Foundation, 1994 - 149
HILL FARMING--THAILAND, NORTHERN
HILL FARMING--ECONOMIC ASPECTS--THAILAND, NORTHERN
S604.3 / T424A