Choirudin, Choirudin, M. Anwar, and Nur Khabibah. “Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Solving”. FRAKTAL: JURNAL MATEMATIKA DAN PENDIDIKAN MATEMATIKA 2, no. 1 (April 3, 2021): 1-13. Accessed July 22, 2024. https://ejurnal.undana.ac.id/index.php/fraktal/article/view/3590.