The allocation of the pricipal's time in agricultural schools in Luzon [microform] - Chart, Changmai-Ngam 1936- (Quezon City Photoduplication Service. Univesity of the Philippines Library, 1977)
Microfilmed with 17 other titles.
Thesis (M.S.)
Originally published in College, Laguna, 1970.
Keywords: Agricultural education -- Philippines -- Luzon