Del Rosario ET AL <br/><br/>
Plane trigonometry with calculator based / 
Del Rosario, ET AL 
 -  [S.l. : s.n.]  2003 
 - viii, 389p.; ill.; 25cm 
<br/><br/><label>ISBN: </label>91791220 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane Trigonometry with Calculator based