MARHAMI; AFGANI DAHLAN, Jarnawi; DASARI, Dadan. Pedagogical Content Knowledge In Teaching Systems of Linear Equations: A Case of Secondary School Mathematics Teachers. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, [S. l.], v. 10, n. 3, p. 252–266, 2026. DOI: 10.33541/edumatsains.v10i3.7712. Disponível em: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/7712. Acesso em: 8 jun. 2026.