National Council of Educational Research and Training <br/><br/>
Exemplar instructional material for pre-vocational course under work experience on electronics technology, instructional-cum-practical manual, classes IX-X 

 - New Delhi  The author  c1987 
 - viii, 53p.: ill.; 18cm. 
<br/><br/><label>Dewey Class. No.: </label>371.9044:621.381  / NAT