Umadhay, A. (1978). Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association.
Citace podle Chicago (17th ed.)Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. [S.l.]: Philippine Political Science Association, 1978.
Citace podle MLA (9th ed.)Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association, 1978.
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