Rohayu, Erny, and Isana Supiah Yosephine Louise. “Development of E-Module Application Smartphone With Socioscientific Issue (SSI) in Biofuels”. JTK (Jurnal Tadris Kimiya) 7, no. 1 (June 30, 2022): 25–36. Accessed December 18, 2025. http://103.55.33.27/index.php/tadris-kimiya/article/view/17809.