Yusritawati, Ita, et al. “The Use Of Props As To Increase Interest And Understanding Mathematics Concepts Ability Elementary School Students”. Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika, vol. 13, no. 2, Nov. 2023, pp. 151-64, https://journal.unpas.ac.id/index.php/pjme/article/view/10158.