Lagadan, Braulio-2nd P. <br/><br/>
Electronic-strategic intervention materials (E-SIMS) for araling panlipunan 10/ 
Braulio P. Lagadan-2nd 
 - MMSU  2022 
 - xi, 91 leaves  28 cm. 
<br/><br/> Thesis (Master of Arts in Education-Social Studies) - Mariano Marcos State University 
<br/><br/>Bibliography: leaves 54-58