Anggraeni, K. T., & Kertopati, B. W. (2025). An Effort to Increase the Learning Activeness of Class VIII B Students in IPS Subjects with the Problem Solving Method at SMP Pemda 2 Kesugihan. Proceedings Series on Social Sciences & Humanities, 25, 832–842. https://doi.org/10.30595/pssh.v25i.1797