Balbuena, R. A. (2026). Multimodal Instruction for Grade 9 Earth Science: Enhancing Mastery of Least-Learned Competencies at Cabancalan National High School. International Multidisciplinary Journal of Research for Innovation, Sustainability, and Excellence (IMJRISE), 4(9), 95-105. https://risejournals.org/index.php/imjrise/article/view/1752