Malate, Mark Francis L. <br/><br/>
Development and validation of abacus-based worksheet for mathematics 7 /  
Mark Francis L. Malate. 
 - Iriga City:  University of Saint Anthony,  2025. 
 - xii, 96 leaves:  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics.--Instructional materials<br/>Education--mathematics.
<br/><br/><label>Dewey Class. No.: </label>372.7  / M239d