Vargas, Ma. Lourdes I., <br/><br/>
Reading network / 
Ma. Lourdes I. Vargas. 
 - Third edition. 
 - Philippines :  Sibs Publishing House, Inc.,  2013. 
 - iii, 331 pages :  illustrations, tables, figures ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Unit I - Making links -- Unit II - Exploring nature -- Unit III - Tracing roots -- Unit IV - Switching on 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-791-914-0 
<br/><br/><label>Dewey Class. No.: </label>FIL 372.4  / V426