Instructional strategies in ecology :  A manual for indoor-outdoor ecology / 
Melchora B. Lamorena [and others]. 
 - Manila :  Rex Book Store,  c2000. 
 - 192 pages :  Illustration ;  22 cm. 
<br/><br/><label>ISBN: </label>9712328678 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology, instructional strategies.