Ban, A. W. van den Agricultural extension / by A.W. van den Ban and H.S. Hawkins - Burnt Mill, Harlow, Essex, England : Longman Scientific & Technical ; 1988 - xi, 328 p. : ill. ; 22 cm. Based on: Inleiding tot de voorlichtingskunde. 7th ed. 1985. Includes index Bibliography: p. 300-307 ISBN: 0582028833 Subjects--Topical Terms: Agricultural extension work