Wahyuni, Y., Dewi, R. and Marsia, Y. 2023. Peningkatan Aktivitas Belajar Ekonomi Melalui Model Pembelajaran Problem Based Learning di Kelas X2 SMAN 17 Surabaya. Business and Accounting Education Journal. 4, 2 (Aug. 2023), 172 - 178. DOI:https://doi.org/10.15294/baej.v4i2.69045.