Portana HV, Fronda JG, Policarpio DGT, C. Rigat KAR, A. Llames G. Effectiveness and Acceptability of Instructional Materials in the Enhancement of Students’ Academic Achievement. ijaems [Internet]. 2021 Jan. 8 [cited 2024 Dec. 5];7(1). Available from: https://journal-repository.com/index.php/ijaems/article/view/2998