Inquiry slides for Environmental science I - Mancera, Leonida Mañago 1944- (1972)
Vita.
Thesis (M.A.T. General Science)--University of the Philippines, Diliman.
Keywords: Science -- Study and teaching (Secondary) -- Philippines -- Legazpi City (Albay) -- Audio-visual aids; Stalactites and stalagmites -- Philippines -- Legazpi City (Albay); Science -- Slides; Teaching -- Philippines -- Legazpi City (Albay) -- Aids and devices