Ayu Aristika 2025. Mastery of Essential Mathematics Concepts : How it Enhances Students’ Critical and Creative Thinking Skills. JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM. 4, 1 (Jun. 2025), 173–184. DOI:https://doi.org/10.55606/jurrimipa.v4i1.5256.