Penn, William <br/><br/>
Electrical estimator's manual :  how to estimate electrical construction projects including everday labor installation rates / 
 Electrical estimator's manual  how to estimate electrical construction projects including everday labor installation rates  [electronic resource] : 
William Penn 
 - Houston, Texas :  Gulf Publishing,  c2005 
 - xiv, 198 p. :  ill. ;  28 cm. +  1 computer disc 
<br/><br/><label>ISBN: </label>0976511320 9780976511328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering--Estimates