NIKMAH, H.; SUTARMAN; DARNIUS, O. Goal Programming Model for Tutor Scheduling. Journal of Research in Mathematics Trends and Technology, [S. l.], v. 3, n. 2, p. 8–14, 2021. DOI: 10.32734/jormtt.v3i2.8858. Disponível em: https://talenta.usu.ac.id/jormtt/article/view/8858. Acesso em: 6 aug. 2025.