Pramasdyahsari, A. S., Setyawati, R. D. and Albab, I. U. (2019) “Connecting university mathematics and school mathematics to address Klein’s double discontinuity: A case of ring theory”, Beta: Jurnal Tadris Matematika, 12(2), pp. 122–132. doi: 10.20414/betajtm.v12i2.336.