Validitas E-Modul Larutan Penyangga Berbasis Problem Based Learning (PBL) Terintegrasi Teaching at The Right Level (TaRL) Fase F Kelas XI. Entalpi Pendidikan Kimia, [S. l.], v. 5, n. 2, p. 10–17, 2024. DOI: 10.24036/epk.v5i2.480. Disponível em: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/480. Acesso em: 9 nov. 2026.