Kamal, Firmansyah Khairul, and Effendi. 2021. “Pengembangan LKPD Terintegrasi STEM-PjBL (Sciene, Technology, Engineering, and Mathematics- Project Based Learning) Pada Materi Larutan Elektrolit Dan Non Elektrolit”. Ranah Research : Journal of Multidisciplinary Research and Development 3 (3), 1-9. https://doi.org/10.31933/rrj.v3i3.383.