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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Council of Applied Economic Research, New Delhi. Impact of Indo-German Fertilizer Educational Project in West Bengal: An Evaluation. The author, 1979.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Council of Applied Economic Research, New Delhi. Impact of Indo-German Fertilizer Educational Project in West Bengal: An Evaluation. The author, 1979.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.