1.
Rahayu T, Sirait AP, Lubis W, Mailani E, Gandamana A. DEVELOPMENT OF PBL-BASED INTERACTIVE E-MODULES TO IMPROVE CRITICAL THINKING SKILLS OF GRADE 4 STUDENTS IN MATHEMATICS AT SDN 060866 MEDAN. Algebra. 2026;6(1):269-276. doi:10.58432/z9jz5248