Electrical maintenance fundamentals :  AC/DC theory vol 3 student workbook 

 - Virginia :  ITC Learning,  c1980 
 - 1 v. (various paging) :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>OPE0001130(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric circuits--Alternating current<br/>Electric circuits--Direct current