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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Economic and Social Commission for Asia and the Pacific. A Comparative Study on the Input-output Relationships of Family Planning Programmes in Selected Countries of the ESCAP Region: Measures of Efficiency for Family Planning Evaluation Programmes. New York: United Nations, 1976.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Economic and Social Commission for Asia and the Pacific. A Comparative Study on the Input-output Relationships of Family Planning Programmes in Selected Countries of the ESCAP Region: Measures of Efficiency for Family Planning Evaluation Programmes. United Nations, 1976.