1.
Kamid K, Sabil H, Syafmen W, Triani E. A Study of Problem Based Learning and Mathematics Process Skills in Elementary School. j. ilm. sekol. dasar [Internet]. 2021 Aug. 11 [cited 2024 May 5];5(2):359-68. Available from: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/37157