MAKMUR, Amelia. Performance Indicators Development for Toll Road Minimum Services Standards in Indonesia. International Journal of Integrated Engineering, [S. l.], v. 11, n. 8, p. 292–302, 2019. Disponível em: https://journal.uthm.edu.my/index.php/ijie/article/view/5330. Acesso em: 7 aug. 2026.