Agusdianita, N., Yusnia, M. Rachmadini, D. Heryanto, and R. Dwi Shofiya Maghfira Izzania. “Improving Elementary Students’ Mathematical Problem-Solving Skills through the Development of Heyzine-Based STEM E-Worksheets Integrated With PBL”. ATTA`DIB, vol. 10, no. 1, Apr. 2026, pp. 255-71, doi:10.32832/at-tadib.v10i1.23186.