Ray, N. R. e., & Ray, N. R. (1993). Dimensions of national integration the experiences and lessons of Indian history. Punthi Pustak and Institute of Historical Studies.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRay, Nisith Ranjan ed, এবং Nisith Ranjan Ray. Dimensions of National Integration the Experiences and Lessons of Indian History. Punthi Pustak and Institute of Historical Studies, 1993.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRay, Nisith Ranjan ed, এবং Nisith Ranjan Ray. Dimensions of National Integration the Experiences and Lessons of Indian History. Punthi Pustak and Institute of Historical Studies, 1993.
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