INSTRUCTIONAL TECHNOLOGY 3(2+1)

Lesson 22 :Visual Aids- Poster

References

1. Adivi Reddy.A, Extension Education, Seventh Edition, Sri Lakshmi press, Bapatla
2. Aggarwal J.C. (2007) Essentials of Educational Technology Innovation in Teaching-Learning, second edition, vikas publishing house PVT LTD
3. Ray GL(1996) Extension Communication and Management, Naya Prakash Publications, Calcutta
4. Sumita Roy, Tej Verma and Pushpa Gupta Textbook on Family Approach in Extension Programme Management,First edition, Indian council of Agricultural Research, New Delhi