MSA textbook in trigonometry / 
Landicho, Elizabeth D.C. 
 - Quezon City :  Gerpress Printing,  2001. 
 - 24 p.; 27 cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>9718740333 
<br/><br/><label>Dewey Class. No.: </label>Fil 516.24 L257 2001