OBSTACLES TO EVALUATING DIFFERENTIATED LEARNING IN THE INDEPENDENT CURRICULUM AT ELEMENTARY SCHOOLS. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education [Internet]. 2025 May 5 [cited 2026 Apr. 23];2(5):430-7. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/71955