Natan, Erickalyn P. <br/><br/>
Development and validation of worktext in solving problems involving triangle similarity for Grade 9 featuring the architectural infrastructure in Nueva Vizcaya 
Erickalyn P. Natan, Daphnie Kaye O. Cabe and Rochelle G. Torres 
 - xi, 106 leaves   col. ill.  28 cm 
<br/><br/> Undergraduate Thesis (BSED - Mathematics) - Nueva Vizcaya State University 
<br/><br/>Includes appendices & bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving<br/>Triangle similarity