Silaban R, Pannggabean FT, Panggabean MV, Sianturi PA, Alexander IJ. ANDROID-BASED LEARNING MEDIA DEVELOPMENT FOR CHEMICAL BALANCE MATERIALS. J. IPI [Internet]. 2021 Oct. 12 [cited 2024 Dec. 5];9(3):121-3. Available from: https://ejournal.uncen.ac.id/index.php/JIPI/article/view/1799