National Council of Educational Research and Training <br/><br/>
Exemplar instructional material for pre-vocational course under work experience, introduction to house-wiring ... 

 - New Delhi  NCERT  c1987 
 - xi, 119p.: illus.; 18cm. 
<br/><br/><label>Dewey Class. No.: </label>371.9044:683.83  / NAT