Parel, Cristina P. <br/><br/>
Introductory mathematics. :  for high schools. / 
by Cristina P. Parel, Conception E. Perez and Macario C. Lomibao. 
 - Manila, Philippines. :  Macaraig publishing co.,  1958. 
 - 464p. :  ill.,  22cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - study and teaching (secondary).
<br/><br/><label>LC Class. No.: </label>Fil QA 106  / P37 1958