Wijaya, Yulia, and Iryani Iryani. “Validitas E-Modul Larutan Penyangga Berbasis Problem Based Learning (PBL) Terintegrasi Teaching at The Right Level (TaRL) Fase F Kelas XI”. Entalpi Pendidikan Kimia 5, no. 2 (August 18, 2024): 10-17. Accessed November 2, 2024. http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/480.