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

Bibliographische Detailangaben
1. Verfasser: Barker, Randolph
Weitere Verfasser: Mangahas, Mahar 1944-, Meyers, William H.
Format: Visual Material
Sprache:English
Veröffentlicht: Quezon City Photoduplication Service, University of the Philippines Library 1976.
Schlagworte: