A course in electrical installation estimating and costing / 
Gupta, J.B. 
 - 9th ed. 
 - New Delhi :  S.K. Kataria & Sons,  2020. 
 - x, 526 p.: ill.; 24.cm. 
<br/><br/>Includes appendices, index 
<br/><br/><label>ISBN: </label>9789350142790 
<br/><br/><label>Dewey Class. No.: </label>C 621.319 G977 2020