INSTRUCTIONAL TECHNOLOGY 3(2+1)

Lesson 19 : Classification Of Audio-Visual Aids

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