YANTO, T. A PRELIMINARY STUDY OF THE MEASUREMENT OF ROAD: WARNING SIGN EFFECTIVENESS IN DKI JAKARTA ACCORDING TO COMPREHENSION LEVEL. Jurnal Perkotaan, [S. l.], v. 11, n. 1, p. 74–82, 2019. DOI: 10.25170/perkotaan.v11i1.854. Disponível em: https://ejournal.atmajaya.ac.id/index.php/perkotaan/article/view/854. Acesso em: 19 apr. 2024.