Lisa Agustina, Zakaria, Irwan, Fahmi Arfan, Ida Hasanah, Nor Aishah Buang, Muhammad Hussin, and Muhammad Nur. 2024. “The Effectiveness Of Problem-Based Learning On Student Achievement In Economic Subject”. Jurnal Serambi Ilmu 24 (2):186-205. https://doi.org/10.32672/jsi.v24i2.918.