Bebita, D. J. Supplementary Instructional Materials Via Video-Clip (SIMVI): Effects On Grade 9 Students’ Conceptual Understanding and Motivation. Int. J. Multidiscip. Appl. Bus. Edu. Res. 2022, 3 (11), 2462-2479. https://doi.org/10.11594/ijmaber.03.11.29.