Nazri Maulana Khani; Endah Dwi Atika; Purba, P. E. DEVELOPMENT OF STUDENT WORKSHEET BASED ON A REALISTIC APPROACH TO IMPROVE STUDENTS’ MATHEMATICAL PROBLEM-SOLVING ABILITIES AT SMP NEGERI 30 MEDAN. Algebra 2026, 6 (2), 615-620. https://doi.org/10.58432/7hanf770.