Tyas, V. R. A., and S. B. Waluya. “The Development of Student Worksheets Based on Guided Discovery With STEM-Nuances to Improve Mathematical Reasoning Ability of Class VII Students”. Unnes Journal of Mathematics Education, Vol. 10, no. 3, Nov. 2021, pp. 201-8, doi:10.15294/ujme.v10i3.53633.