SHOFA, Gharitza Zahira; AZIZ, Tian Abdul; HAKIM, Lukman El. Straight-Linear Equation Learning Design Through Problem Based Learning to Stimulate Junior High School Students’ Critical Thinking Skills. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 11, n. 3, p. 585–602, 2026. DOI: 10.31943/mathline.v11i3.1170. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/1170. Acesso em: 16 aug. 2026.