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1
Farm technology on corn, sugarcane, and palay farms (irrigated and non-irrigated) : part IV farm technology on non-irrigated palay farms
Foilsithe / Cruthaithe 1981LEABHAR -
2
The history of fertilizer policies in Thailand an economic study, 1960-1975.
Foilsithe / Cruthaithe 1978LEABHAR -
3
The history of fertilizer policies in Korea an economic study 1950-1975.
Foilsithe / Cruthaithe 1977LEABHAR -
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9
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