Instructional materials for social studies teachers focus on geography - Manzano, Wilhelmina Bucaneg 1943- (1988)
Thesis (Ed.D.)--University of the Philippines, Diliman.
Typescript.
Vita.
Keywords: Social sciences -- Study and teaching -- Philippines -- Cagayan Valley; Geography -- Study and teaching -- Audio-visual aids. -- Philippines -- Cagayan Valley; Teaching -- Aids and devices