TY - BOOK AU - Ban,A.W.van den AU - Hawkins,H.S. TI - Agricultural extension /(Acc: 3134) SN - 063204053X (pbk. : alk. paper) U1 - 330.9 VAN 22 PY - 1996/// CY - Oxford, Malden, MA PB - Blackwell Science KW - Agricultural extension work ER -