檢索結果 - Meyers, William H.

The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements 由 Barker, Randolph, Mangahas, Mahar, Meyers, William H.

Labour absorption in Philippine agriculture 由 Mangahas, Mahar Kelly 1944-

L'absorption de main-d'ceuvre dans l'agriculture des Philippines 由 Mangahas, Mahar Kelly

Labour absorption in Philippine agriculture 由 Mangahas, Mahar Kelly 1944-

Labor absorption in Philippine agriculture 由 Mangahas, Mahar

Labor absorption in Philippine agriculture 由 Mangahas, Mahar

The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements [microform] 由 Barker, Randolph

The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements 由 Barker, Randolph

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The impact of devaluation of fertilizer in Philippine rice production 由 Barker, Randolf