[1]
Simatupang, O.Y., Simamora, B. and Sitorus, D.P.M. 2023. The Influence of the Problem Based Learning (PBL) Model on Learning Outcomes in Social Sciences Subjects ASEAN Class VIII UPTD SMP NEGERI 7 PEMATANG SIANTAR. International Journal of Global Sustainable Research. 1, 2 (Nov. 2023), 283–292. DOI:https://doi.org/10.59890/ijgsr.v1i2.657.