“PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS ANDROID MENGGUNAKAN MODEL PROBLEM BASED LEARNING DI SMA KATOLIK KARITAS TOMOHON PADA MATERI KIMIA UNSUR”. SOSCIED 8, no. 1 (June 15, 2025): 286–293. Accessed June 2, 2026. https://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/920.