1.
Lisa Astriani, Abdul Mujib, Firmansyah. Didactic Design for Overcoming Learning Obstacles in Mathematics of Junior High School Students. IJERE [Internet]. 2022 Jun. 30 [cited 2024 Nov. 22];1(1):58-62. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/97