Niska Bonitasia Zendrato, Syafi’i, Ellis Mardiana Panggabean and Tua Halomoan Harahap (2025) “Mathematics In Context: A Lesson For Teaching Geometric Sequences In High School ”, IHSAN : Jurnal Pendidikan Islam, 3(1), pp. 329–335. doi: 10.61104/ihsan.v3i1.765.