Gupta C. G. & Patel R. C. <br/><br/>
Woork study 

 - 2nd Ed. 
 - New Delhi  A P H Publishing Corporation  1977 
 - viii,230p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MECH
<br/><br/><label>Index Terms--Genre/Form: </label><br/>M-01
<br/><br/><label>Dewey Class. No.: </label>658.542  / GUP