Extension Communication And Management /
Ray G.L.
Extension Communication And Management / by Ray G.L. - New Delhi; Kalyani Publishers, 1991. - 382p.
81-272-1170-2
Agricultural Education.
378.1554 / RAY
Extension Communication And Management / by Ray G.L. - New Delhi; Kalyani Publishers, 1991. - 382p.
81-272-1170-2
Agricultural Education.
378.1554 / RAY