Estrada Espinoza, J. A., Cruz Aguilar, A. A., García Zuñiga, S. A., García Farías, V. A., Cerdan Chanduco, C. E., & Zuñiga Zuñiga, V. A. (2026). Self-esteem and academic achievement in mathematics among secondary school students at a private institution, Nuevo Chimbote-2025. LACCEI, 1(14). https://doi.org/10.18687/LACCEI2026.1.1.2598