Astuti, D., E. M. Saragih, and N. E. Silaen. “The Influence of The Use of Canva-Based Video Learning Media on The Mathematical Problem-Solving Ability of Class XII Students of SMA Negeri 1 Air Joman”. Jurnal Pendidikan Matematika (JPM), vol. 10, no. 1, Feb. 2024, pp. 33-42, doi:10.33474/jpm.v10i1.21555.