Subekti YF, Andriyani A. Development of PBL-based E-Worksheet for 8th Grade Students’ Critical Thinking Skills. Int. J. Emerg. Math. Educ. [Internet]. 2023 Sep. 30 [cited 2024 Nov. 4];7(2):89-98. Available from: https://journal.uad.ac.id/index.php/IJEME/article/view/29583