Nugroho, S. A., T. Trisniawati, and N. Rhosyida. “Developing Powerpoint-Based Interactive Multimedia of Mathematics Learning Multiples and Factors Materials for Elementary School”. Advances in Mobile Learning Educational Research, Vol. 2, no. 2, July 2022, pp. 411-20, doi:10.25082/AMLER.2022.02.009.