The impact of agricultural extension : a case study of the traini ng and visit system in Haryana, India - Feder, Gershon, 1947-; Slade, Roger H; Lau, Lawrence J. (Washington, D.C. : The World Bank, 1985)
Includes bibliographical references (p.96)
Keywords: Agricultural extension work -- India -- Karnal (District); Crop yields -- India; Wheat -- India; Rice -- India