Cabrera, Freddie R. <br/><br/>
The effectiveness in the use of modules in Teaching Plane Trigonometry for freshmen students of the College of computing and information technology of the Isabela State University Cauayan Campus 
Freddie R.  Cabrera 
 - Cauayan City, Isabela  Our Lady of the Pillar College-Cauayan   2011 
 - vii, 145p. 
<br/><br/>Educational Management 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Educational Management
<br/><br/><label>LC Class. No.: </label>CD-02133t