TY  - BOOK
AU  - Chandra,K Ambastha  .
TI  -  Communication patterns in innovation development, extension and client systems : : a systems approach 
SN  - 8170183456
U1  - 630.715 21
PY  - 1986///
CY  - Delhi : 
PB  - B R Publishing , 
KW  - AGRICULTURAL EXTENSION WORK - GOVERNMENT POLICY
N1  - Includes bibliographical references and index
ER  -