Rohayu, Erny, and Isana Supiah Yosephine Louise. 2022. “Development of E-Module Application Smartphone With Socioscientific Issue (SSI) in Biofuels”. JTK (Jurnal Tadris Kimiya) 7 (1):25-36. https://doi.org/10.15575/jtk.v7i1.17809.