Fitriyah, A.W., Fitriani, A. and Melianti, P. 2026. Investigating the Impact of Self-Efficacy on Elementary Students’ Mathematical Problem-Solving Skills. MIREJ: Multidisciplinary Innovation Research Journal. 2, 1 (Jan. 2026), 52–60. DOI:https://doi.org/10.70152/mirej.v2i1.105.