Philippines. National Economic and Development Authority. Region XI & Philippines Regional Development Council. Region XI. Annual economic report of Southern Mindanao. National Economic and Development Authority , Region XI.
Chicago-referens (17:e uppl.)Philippines. National Economic and Development Authority. Region XI och Philippines Regional Development Council. Region XI. Annual Economic Report of Southern Mindanao. Davao City: National Economic and Development Authority , Region XI.
MLA-referens (8:e uppl.)Philippines. National Economic and Development Authority. Region XI och Philippines Regional Development Council. Region XI. Annual Economic Report of Southern Mindanao. National Economic and Development Authority , Region XI.
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