Canonigo, Cristina Santos. <br/><br/>
Book of abstract reasoning / 
C.S. Canonigo and Roberto C. Basadre. 
 - Manila :  CKC Pub.,  c2001. 
 - v, 183 p. : ill. 
<br/><br/><label>ISBN: </label>971890512X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic diagrams