Portugal, R. F., & Reyes, D. D. The domestic resource cost analysis of copper smelting in the Philippines.
Chicago Style (17th ed.) CitationPortugal, Roque Francisco, and Daniel Delfin Reyes. The Domestic Resource Cost Analysis of Copper Smelting in the Philippines.
MLA (9th ed.) CitationPortugal, Roque Francisco, and Daniel Delfin Reyes. The Domestic Resource Cost Analysis of Copper Smelting in the Philippines.
Warning: These citations may not always be 100% accurate.