00609nam a22002057a 4500 OSt 260129b |||||||| |||| 00| 0 eng d 9788127267469 300.721 R26R Ray, G. L. Research Methods in Social Sciences and Extension Education / by G. L. Ray and Sagar Mondal 3rd revised and enlarged ed. reprint .- Lucknow : Kalyani Publiesher , 2025 330p. Social Sciences Extension Education Research Methods Mondal, Sagar. ddc BK 49910 49910 0 0 ddc 0 0 RAU RAU 2026-01-29 Faith, New Delhi 350.00 0 300.721 R26R 86855 2026-01-29 2026-01-06 BK FE/08/2025-26 0 0 ddc 0 0 RAU RAU 2026-01-29 Faith, New Delhi 350.00 0 300.721 R26R 86856 2026-01-29 2026-01-06 BK FE/08/2025-26