Indian Journal of Extension Education Vol. 25(1-4)
Singh, Y. P,
Indian Journal of Extension Education Vol. 25(1-4) Bound Volumes Y. P. Singh - New Delhi: Indian Society of Extension Education, 1984. - 148.
Agriculture. & related technologies
630.715054
Indian Journal of Extension Education Vol. 25(1-4) Bound Volumes Y. P. Singh - New Delhi: Indian Society of Extension Education, 1984. - 148.
Agriculture. & related technologies
630.715054