Recede RAA, Gaviola RJ, Castro MA, Clemente SIF. Development and Evaluation of Learning Resource Package in Optics for Grade 10 Science. IJMABER [Internet]. 2022Aug.12 [cited 2025Mar.10];3(8):1441-5. Available from: https://ijmaberjournal.org/index.php/ijmaber/article/view/531