TY  - BOOK
AU  - Ban, A. W. van den
AU  - Hawkins, H. S.
TI  -  Agricultural extension
SN  - 0582028833
U1  - 630.715 
PY  - 1988///
CY  - Burnt Mill, Harlow, Essex, England
PB  - Longman
KW  - Agricultural extension work
N1  - Based on: Inleiding tot de voorlichtingskunde.-- 7th ed. 1985; Includes bibliographical references (p. 300-307) and index
ER  -