Yuniarti, Nacalia, Firdausi Firdausi, and Gelar Dwirahayu. 2025. “Implementing Bruner’s Theory in Teaching Angles on a Circle to Enhance Problem-Solving Skills”. Journal of Mathematics Instruction, Social Research and Opinion 4 (4). Bandung, Indonesia:1051-64. https://doi.org/10.58421/misro.v4i4.698.