N. L. A. G. Saraswati, S. Andayani, and K. Y. Santhika, “Case Study of Students’ Errors in Mathematical Modeling: Analysis Based on Solution Plan Stages in Context-Based Problems”, j. paedagog. penelit. pengemb. pendidik., vol. 13, no. 3, pp. 1093–1104, Jul. 2026.