IESYAH RODLIYAH; JUNIATI, D.; KHABIBAH, S. Analysis of the Level of Understanding of the Concept of the Isoline Method of Linear Program Material Based on APOS Theory in terms of Learning Interest. Jurnal Gantang, [S. l.], v. 7, n. 2, p. 137–147, 2022. DOI: 10.31629/jg.v7i2.5250. Disponível em: https://ojs.umrah.ac.id/index.php/gantang/article/view/5250. Acesso em: 19 dec. 2024.