TY  - BOOK
AU  - Hartmut Albrecht
AU  -  Herbert Bergmann Georg Diederich  Eberhard Grober
TI  - Agricultural Extension 
SN  - 3-88085-364-9
U1  - 630.715 
PY  - 1989///
CY  - New Delhi
PB  - New Age International Limited Publishers
N1  - Hartmut Albrecht; Herbert Bergmann; Georg Diederich & Eberhard Grober: Agricultural Extension.  New Delhi.  New Age International Limited Publishers, 1989. 3-88085-364-9--(630.715ALB)
ER  -