Melchora B. Lamorena, Ma. Roima S. P. Lim, Ma. Salvacion G. Aquino, Salvacion L. Dorado, and Estrella P. Dela Rosa  <br/><br/>
INSTRUCTIONAL STRATEGIES in ECOLOGY  

 -  REX Book Store  2000 
<br/><br/><label>ISBN: </label>971-23-2867-8 
<br/><br/><label>Dewey Class. No.: </label>Fil. 577.07 In7 2001