1.
Lestari P, Romdiani NS. The Effectiveness of Learning Using Card Media to Improve Students’ Mathematical Understanding Ability. Jurnal Pendidikan Matematika dan Sains Matematika [Internet]. 2018Mar.31 [cited 2021Dec.4];3(1):17-3. Available from: https://ojs.umrah.ac.id/index.php/gantang/article/view/304