Admulya, Budi, Sefna Rismen, and Vilia Anggraini. “Validitas Lembar Kerja Peserta Didik (LKPD) Berbasis Realistic Mathematics Education Pada Materi Ratio”. Jurnal Cendekia : Jurnal Pendidikan Matematika 9, no. 1 (January 29, 2025): 160-174. Accessed April 22, 2025. https://mail.j-cup.org/index.php/cendekia/article/view/3564.