Herrin, A. N. Evaluating development projects: Principles and applications. Population/Development Planning and Research Project, National Economic and Development Authority.
Chicago-referens (17:e uppl.)Herrin, Alejandro N. Evaluating Development Projects: Principles and Applications. [Metro Manila]: Population/Development Planning and Research Project, National Economic and Development Authority.
MLA-referens (9:e uppl.)Herrin, Alejandro N. Evaluating Development Projects: Principles and Applications. Population/Development Planning and Research Project, National Economic and Development Authority.
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