Nurfianto, D.M., Saidah, K. and Primasatya, N. 2024. Case study: Problematics of implementing differentiation learning in Kediri city. JURNAL PENDIDIKAN DASAR NUSANTARA. 9, 2 (Apr. 2024), 345-356. DOI:https://doi.org/10.29407/jpdn.v9i2.22368.