Guntur, M. I. S., Setyaningrum, W., Retnawati, H., Marsigit, M., Saragih, N. A., & Noordin, M. K. bin. (2019). Developing augmented reality in mathematics learning: The challenges and strategies. Jurnal Riset Pendidikan Matematika, 6(2), 211–221. https://doi.org/10.21831/jrpm.v6i2.28454