Deauna, Melecio C.; Lamayo, Florita C.,  c2001. <br/><br/>
The Natural World :  Laboratory Manual / 
Deauna, Melecio C.; Lamayo, Florita C. 
 -  SIBS Publishing House, Inc,  c2001. 
 - 90p. :  illus. ;  25.4 cm. 
<br/><br/><label>ISBN: </label>971-791-221-1