SIMANULLANG, Aprillia Anggita; KARTINI; SOLFITRI, Titi. Development of a test instrument to measure mathematical communication skills on the topics of three-variable linear equations and two-variable linear inequalities. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 8, n. 1, p. 94–104, 2025. DOI: 10.30606/absis.v8i1.2745. Disponível em: https://journal.upp.ac.id/index.php/absis/article/view/2745. Acesso em: 2 aug. 2025.