De Oca, Phillip Raymund R., et al. “Development and Validation of Micro-Lecture Videos As Learning Support Material for Grade 7 Science Competencies”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 5, no. 2, Feb. 2024, pp. 594-0, https://doi.org/10.11594/ijmaber.05.02.20.