Valiao, Jr., Nestor, and Rammy Lastierre. “Learners’ Proficiency in Solving Word-Problems in Mathematics: Basis for an Instructional Materials Development”. International Multidisciplinary Journal of Research for Innovation, Sustainability, and Excellence (IMJRISE), vol. 2, no. 8, Aug. 2025, pp. 112-20, https://risejournals.org/index.php/imjrise/article/view/1385.