Disty, Indi, Walid walid, and Hartono Hartono. “Mathematics Communication Skills Using E-Learning-Based Problem Based Learning In Term Of Learning Styles”. Unnes Journal of Mathematics Education Research 10, no. A (September 30, 2020). Accessed December 21, 2024. https://journal.unnes.ac.id/sju/ujmer/article/view/41292.