TY - BOOK AU - Gilbertson,H.W. AU - Gallup,Gladys TI - Result demonstration manual for extension workers T2 - Agriculture handbook / United States Department of Agriculture AV - S544 .G54 U1 - 630.717 PY - 1957/// CY - [Washington, D.C.] PB - U.S. Dept. of Agriculture, Federal Extension Service KW - Agricultural extension work N1 - Cover title ER -