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- [34] An impact evaluation of education, health, and water supply investments by the Bolivian Social Investment Fund WORLD BANK ECONOMIC REVIEW, 2002, 16 (02): : 241 - 274
- [39] INVESTMENT IN LEARNING - INDIVIDUAL AND SOCIAL VALUE OF AMERICAN HIGHER-EDUCATION - BOWEN,HR JOURNAL OF HIGHER EDUCATION, 1979, 50 (03): : 349 - 353