Marvira, Serli, and Iryani Iryani. 2024. “Validitas E-Modul Berbasis Problem Based Learning Pada Materi Kesetimbangan Kimia Fase F Kelas XI”. Jurnal Pendidikan Tambusai 8 (1):9656-65. https://doi.org/10.31004/jptam.v8i1.13851.