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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOrganisation for Economic Co-operation and Development. Compulsory Schooling in a Changing World. Paris : [Washington, D.C.: Organisation for Economic Co-operation and Development ; available from OECD Publications and Information Center], 1983.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিOrganisation for Economic Co-operation and Development. Compulsory Schooling in a Changing World. Organisation for Economic Co-operation and Development ; available from OECD Publications and Information Center], 1983.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.