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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAssociation for Public Policy Analysis and Management (U.S.). Journal of Policy Analysis and Management. New York, N.Y.: John Wiley & Sons : Association for Public Policy Analysis and Management, 1981.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAssociation for Public Policy Analysis and Management (U.S.). Journal of Policy Analysis and Management. John Wiley & Sons : Association for Public Policy Analysis and Management, 1981.
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