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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGlobal Environment Facility. Regional Control of Greenhouse Gas Emissions Through Energy-efficient Building Technology in West Africa: Project Document. 1994.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGlobal Environment Facility. Regional Control of Greenhouse Gas Emissions Through Energy-efficient Building Technology in West Africa: Project Document. 1994.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.