Analytic geometry in 2-and-3- spaces / 
Benedicto T. San Luis... [et al.]. 
 - Metro Manila :  Grandbooks Pub,  c2012. 
 - 149 p. ; 23 cm. 
<br/><br/><label>ISBN: </label>9717250650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, analytic.