Mutaqin, Ejen Jenal, Tatang Herman, Wahyudin, and Neni Nadiroti Muslihah. 2023. “Hypothetical Learning Trajectory in Place Value Concepts in Elementary School ”. Mosharafa: Jurnal Pendidikan Matematika 12 (1):125-34. https://doi.org/10.31980/mosharafa.v12i1.761.