C. M. V. Oberez, H. G. Penedez, A. Varron, D. M. P. Ulanday-Lozano, Jovar G. Pantao, and Precy M. Regalado, “Digitized AGONSA Method: Its Effectiveness on the Word Problem Skill Involving Addition of Grade 1 Learners”, IJLE, vol. 2, no. 2, pp. 1–9, Jul. 2026.