Ani Oktafiani, Nindiasari H. E-LKPD Berbasis Problem Based Learning untuk Kemampuan Berpikir Reflektif Matematis. Proximal [Internet]. 2023 Jun. 18 [cited 2025 Jul. 7];6(2):82-9. Available from: https://www.e-journal.my.id/proximal/article/view/2679