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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. National Economic and Development Authority. Region XI και Philippines Regional Development Council. Region XI. Annual Economic Report of Southern Mindanao. Davao City: National Economic and Development Authority , Region XI.
Παραπομπή σε μορφή MLA (8th εκδ.)Philippines. National Economic and Development Authority. Region XI και Philippines Regional Development Council. Region XI. Annual Economic Report of Southern Mindanao. National Economic and Development Authority , Region XI.
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