Modern biology with biology investigations., Philippine version 
Velasquez, Carmen C. 
 -  National Book Store.  1993 
 - xii, 829 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71085467-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>F 570 V434 1993