Yawimah, S. “Improving Learning Outcomes and Learning Motivation in Mathematics Through Demonstration Methods With Number Card Media Assistance for Class I Students of SD Negeri 2 Samigaluh in Academic Year 2021/2022”. IJCER (International Journal of Chemistry Education Research), vol. 7, no. 2, Oct. 2023, pp. 72-75, doi:10.20885/ijcer.vol7.iss2.art5.