The role of multiple cropping in Asian agricultural development [microform]. - Simandjuntak, Sahat Barita 1939- (Quezon City Photoduplication Service. University of the Philippines Library, 1979)
Microfilmed with 12 other titles.
Thesis (M.A.)--University of the Philippines, Diliman.
Originally published in [Quezon City] 1974.
Keywords: Cropping systems -- Asia; Agriculture -- Asia