1.
Wahyu R, Siswono TYE, Sendi S. Development of Problem-Based Mathematical Learning Tools to Improve Critical Thinking Skills of Grade V Elementary School Students. Jurnal, Teknologi, Pendidikan [Internet]. 2023 Jul. 25 [cited 2025 Sep. 28];8(3):707-13. Available from: https://ojspanel.undikma.ac.id/index.php/jtp/article/view/8625