Zahrah, Fathimatuz, and Somakim Somakim. 2025. “Analyzing Students’ Problem-Solving Skills in a Project-Based STEM Learning Environment on Systems of Linear Equations”. Mosharafa: Jurnal Pendidikan Matematika 14 (3):655-72. https://doi.org/10.31980/mosharafa.v14i3.2353.