Hartley, Rodrick J. <br/><br/>
Starting shutting down and operate machinery / 
Rodrick J. Hartley. 
 - Quezon City:  KJY printing Press,  c2009. 
 - 286 pages :  ill., b & w,  24 cm. 
<br/><br/><label>ISBN: </label>9710306243 
<br/><br/><label>LC Class. No.: </label>FIL TJ 147  / H37 2009