INSTRUCTIONAL TECHNOLOGY 3(2+1)

Lesson 23 : Visual Aids - Charts

References

1. Adivi Reddy.A, Extension Education, Seventh Edition, Sri Lakshmi press, Bapatla
2. Ray GL(1996) Extension Communication and Management, Naya Prakash Publications, Calcutta
3. Yella Reddy N Audio-Visual aids. EEI Publications, Rajendranagar, Hyderabad