Velasquez, Carmen C. <br/><br/>
Modern biology (Philippine version) with biology investigations / 
Carmen C. Velasquez, Consuelo V. Asis. 
 - Mandaluyong City :  National Book Store,  c1980. 
 - xiii, 879 pages :  Illustrations ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.