“Problem Based Learning (PBL) Model in Pyhsics Learning: A Bibliometric Analysis” (2026) Prosiding Seminar Nasional Fisika (Sinafi), 4(1), hlm. 118–135. Tersedia pada: https://proceedings.fisikaupi.id/index.php/sinafi/article/view/14 (Diakses: 16 April 2026).