Ward, K. (2003). Strengthening the economic analysis of natural resource management projects. Asian Development Bank.
Chicago-viite (17. p.)Ward, Keith. Strengthening the Economic Analysis of Natural Resource Management Projects. [Mandaluyong City]: Asian Development Bank, 2003.
MLA-viite (9. p.)Ward, Keith. Strengthening the Economic Analysis of Natural Resource Management Projects. Asian Development Bank, 2003.
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