Rao, V. K . <br/><br/>
Instructional technology 
V. K. Rao. 
 - New Delhi  A.P.H Publications  2005 
 - 276p.; 22cm. 
<br/><br/><label>ISBN: </label>8176487031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science; Industrial arts; Material culture.
<br/><br/><label>Dewey Class. No.: </label>600  / R19I