Hadimiati, A. S., and A. Asrul. “The Implementation of the STAD Learning Model Assisted by PowToon on Solid Geometry to Improve the Learning Outcomes of Eighth-Grade Students”. Journal of Mathematics Instruction, Social Research and Opinion, vol. 4, no. 3, Sept. 2025, pp. 905-18, doi:10.58421/misro.v4i3.714.