Benefit-cost calculations for a copper smelter [microform] - Alonzo, Z. Amelia Capistrano 1947- (Quezon City Photoduplication Service, 1973)
Microfilmed with 9 other titles.
Thesis (M.A.)
Originally published in [ Quezon City : 1969]
Keywords: Copper industry and trade -- Philippines; Copper mines and mining -- Philippines