NURHAYATI, N.; FATHURROHMAN, F.; ROSIDAH, U. K. Literature Study: Development of Case-Based Teaching Materials through North Sumatra Culture . Proceeding of International Conference on Language Pedagogy (ICOLP), [S. l.], v. 4, n. 1, p. 291–297, 2024. DOI: 10.24036/icolp.v4i1.231. Disponível em: https://proceeding-icolp.fbs.unp.ac.id/index.php/icolp/article/view/231. Acesso em: 22 jan. 2025.