Pujiastuti, Heni, Rudi Haryadi, and Alif Maulana Arifin. 2020. “The Development of Augmented Reality-Based Learning Media to Improve Students’ Ability to Understand Mathematics Concept”. Unnes Journal of Mathematics Education 9 (2), 92-101. https://doi.org/10.15294/ujme.v9i2.39340.