Sagala, Prihatin Ningsih, and Eri Widyastuti. “Developing an Interactive E-Book on Statistics Based on a Realistic Mathematical Approach Assisted by The SIPDA Learning Management System”. International Journal on Emerging Mathematics Education, vol. 6, no. 2, Dec. 2022, pp. 131-40, doi:10.12928/ijeme.v6i2.21027.