Vijuan, Cherie R. <br/><br/>
Teachers and administrators' perceptions, benefits and challenges in the utilization of open educational resources (OER) in teaching life sciences/ 
Cherie R. Vijuan 
 - MMSU  2022 
 - xii, 183 leaves  28 cm. 
<br/><br/> Thesis (Master of Arts in Education-Biology) - Mariano Marcos State University 
<br/><br/>Bibliography: leaves 138-155