(1974). Economic development and progress: Social studies for third year school conceptual approach. Vibal.
Chicago Style (17th ed.) CitationEconomic Development and Progress: Social Studies for Third Year School Conceptual Approach. Manila: Vibal, 1974.
MLA (9th ed.) CitationEconomic Development and Progress: Social Studies for Third Year School Conceptual Approach. Vibal, 1974.
Warning: These citations may not always be 100% accurate.