Felentina, F. ., and Agus Kembaren. “Penerapan Model Problem Based Learning (PBL) Berbantuan Media ISpring Pada Materi Larutan Elektrolit Dan Non Elektrolit”. Educenter : Jurnal Ilmiah Pendidikan, vol. 1, no. 12, Dec. 2022, pp. 878-84, doi:10.55904/educenter.v1i12.173.