Wijaya, Y. and Iryani, I. (2024) “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(2), pp. 10-17. doi: 10.24036/epk.v5i2.480.