Jainab Devira Kumontoy, Victor R. Sulangi, Vivian E. Regar. Analysis Of Student Mistakes In Solving Mathematics Problems On The Topic Of Operations In Algebraic Forms For Class VIII SMP Negeri 4 Kawangkoan. Polygon [Internet]. 2024 May 22 [cited 2025 Apr. 19];2(3):14-27. Available from: https://journal.arimsi.or.id/index.php/Polygon/article/view/65