Agricultural Extension. Ed 2 - A.W. Van Den Ban; H.S. Hawkins (New Delhi CBS Publushers and Distributors, 1998)
A.W. Van Den Ban & H.S. Hawkins: Agricultural Extension. Ed 2. (2nd Ed) New Delhi. CBS Publushers and Distributors, 1998. 81-239-0576-9--(630.715VAN)
ENGLISH