Handayani, S. L., Muamar Isyanto, Khairil Ibrahim, & Kusmajid. (2022). The Use of NHT and TPS Assisted by Zoom Meetings on the Problem Solving Ability of Elementary School Students. International Journal of Elementary Education, 6(4), 535–541. https://doi.org/10.23887/ijee.v6i4.47415