Sinaga, K. “Development of a STEAM-Based Electronic Module (Science, Technology, Engineering, Art, and Mathematics) on Acid-Base Material”. Entalpi Pendidikan Kimia, Vol. 6, no. 2, July 2025, pp. 47-59, http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/512.