Yetmawarni, Y. 2023. Upaya Peningkatan Hasil Belajar IPS Melalui Model Pembelajaran Problem Based Learning Kelas IV SD Negeri 27 Salibawan Kecamatan Lubuk Sikaping Kabupaten Pasaman. Journal of Exploratory Dynamic Problems. 1, 1 (Dec. 2023), 36–42. DOI:https://doi.org/10.31004/edp.v1i1.12.