Siahaan, Paula, & Hamidah Nasution.
" The Development of Learning Media Oriented to Team Games Tournament Learning Model Using Canva and Kahoot! to Improve Student’s Problem Solving Ability in SMAN 10 Medan." <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], 6.2 (2022): 126-132. Web.  4 Jul. 2025