yan, jia ming <br/><br/>
ni de gong zi cong na li lai sheng ji ban/  [book] 
yan, jia mingn 
 - 10th ed. 
 - Beijing :  ji xie gong ye,  2009. 
 - 188 p. :  ill. 
<br/><br/><label>ISBN: </label>9787111301509 7111301501 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wage
<br/><br/><label>LC Class. No.: </label>HD4912  / .Y21 2012