Agricultural extension /
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
0582028833
Agricultural extension work
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
0582028833
Agricultural extension work