Bennagen, P. L. (2004). Capability building for sustainability: A handbook. United Nations Development Programme Global Environment Facility/Royal Netherlands Embassy Small Grants Programme-Philippines.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBennagen, Ponciano L. Capability Building for Sustainability: A Handbook. Makati City: United Nations Development Programme Global Environment Facility/Royal Netherlands Embassy Small Grants Programme-Philippines, 2004.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBennagen, Ponciano L. Capability Building for Sustainability: A Handbook. United Nations Development Programme Global Environment Facility/Royal Netherlands Embassy Small Grants Programme-Philippines, 2004.
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