Feder, Gershom The impact of agricultural extension: A case study of the training and visit system in Haryana, India by Gershon Feder, Lawrence J. Lau and Roger H. Slade - Washington, D.C. IBRD 1985 - 96p. - World Bank Staff Working Papers, 756 . Subjects--Topical Terms: Agricultural Extension - India - Haryana Dewey Class. No.: Z12x54331 In8i