Pendampingan belajar matematika metode jarimatika di taman baca karlos. Jurnal Pengabdian Kepada Masyarakat [Internet]. 2022 Oct. 25 [cited 2025 Oct. 21];1(4):184-8. Available from: https://jurnal.arkainstitute.co.id/index.php/ruang-cendekia/article/view/193