1.
Permatasari D, Harta I. The Gap between the Beginning and the End of Algebraic Thinking Transition Period. Int. J. Emerg. Math. Educ. [Internet]. 2018 Feb. 24 [cited 2024 Nov. 4];2(1):79-88. Available from: https://journal.uad.ac.id/index.php/IJEME/article/view/8655