An evaluation of mass selection and family selection for corn improvement in a tropical environment [microform]. - Hakim, Rusli M. 1928- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 14 other titles.
Thesis (Ph.D.)--University of the Philippines.
Originally published in [College, Laguna] 1969.
Keywords: Maize breeding