TY  - BOOK
AU  - Ban,A.W.van den
AU  - Hawkins,H.S.
TI  - Agricultural extension
SN  - 0582028833 :
AV  - S544 .B2513 1988
U1  - 630/.7/15 
PY  - 1988///
CY  - Burnt Mill, Harlow, Essex, England, New York
PB  - Longman Scientific & Technical, Wiley
KW  - Agricultural extension work
N1  - Based on: Inleiding tot de voorlichtingskunde. 7th ed. 1985; Includes index
ER  -