POLLY, Haniza; RIBI, Joshua; HANIS ALI, Muhammad. A Comprehensive Review on Road Signboards Design Placement and Impact. Semarak International Journal of Civil and Structural Engineering, [S. l.], v. 8, n. 1, p. 19–35, 2026. Disponível em: https://semarakilmu.my/index.php/sijcse/article/view/1046. Acesso em: 30 apr. 2026.