Lase, Erlis Chrisanti, and Yulisman Zega. 2023. “The Effect of Manipulative Learning Media on Students’ Mathematical Concept Understanding Ability in SMP Swasta Mawar”. Edumaspul: Jurnal Pendidikan 7 (2), 5252-59. https://jurnal.unimen.cloud/maspuljr/article/view/7182.