00538nam a2200145 a 4500 20190520021357.0 080129s19uu xx 00 eng d Castillo, Andres Villegas, 1903- Principles of economics / Andres V. Castillo. Manila : University Book Supply, 1970, c1966. xx, 704 p. Includes references and index. Philippines Economic conditions Gift 35066 35066 0 0 0 0 CLLRC CLLRC FIL 2019-05-20 0 HC 455 C2 1970 CL6465 2025-06-10 00:00:00 2019-05-20 BK