Wijayanti, Anita, et al. “Improvement of Science Learning Outcomes Electrical Circuits Materials through Problem Based Learnig Models Students of Class VI Semester I SD Negeri Karangtalun 02 Cilacap”. Proceedings Series on Social Sciences & Humanities, vol. 12, Oct. 2023, pp. 271-7, https://conferenceproceedings.ump.ac.id/pssh/article/view/805.