TAMBUNAN, Y. N. Analysis of Students’ Ability in Solving Two-Variable Linear Equation System (SPLDV) Questions in Class XI SMA Negeri 1 Siborongborong Academic Year 2019/2020. Jurnal Mantik, [S. l.], v. 4, n. 2, p. 1465-1468, 2020. DOI: 10.35335/mantik.Vol5.2021.1296.pp184-187. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1296. Acesso em: 17 apr. 2026.