Nisa RA, Ulfah M, Huriastuti L. 173. Keterampilan Bertanya dan Keaktifan Siswa dengan Model Probem Based Learning di SMA Negeri 6 Semarang. psnppg [Internet]. 2023 Jul. 3 [cited 2025 Dec. 5];1(1):1565-71. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/4146