Puspita, Yola, et al. “Digital Competence, Self-Efficacy, Academic Stress and Perceived Mathematical Problem-Solving Ability Among Madrasah Aliyah Students”. Edumatica : Jurnal Pendidikan Matematika, vol. 16, no. 2, Aug. 2026, pp. 435-49, https://doi.org/10.22437/edumatica.v16i2.56121.