Davis, Olgha B. <br/><br/>
Algebra essentials/ 
Santos, David A.  
 - New Delhi:  Mercury Learning and Information,  2016. 
 - x, 180p.:  illustration 
<br/><br/><label>ISBN: </label>9781937585228 
<br/><br/><label>Dewey Class. No.: </label>M 512.13 Sa237 2016