Sari, S. P., and I. Zamzani. “Using Teaching Aids In Building Materials To Increase The Enthusiasm For Learning Mathematics”. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu), vol. 2, no. 1, July 2022, pp. 322-5, https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/732.