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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization. A Prioritized Research Agenda for Prevention and Control of Noncommunicable Diseases. Geneva, Switzerland: World Health Organization, 2011.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization. A Prioritized Research Agenda for Prevention and Control of Noncommunicable Diseases. World Health Organization, 2011.
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