AHMAD, M.; AMEER BATCHA, W.; OTHMAN, I.; ARIFFIN, A. Development of Safety Star Grading Program: A Star Rating System for Express Bus Operator in Malaysia. Journal of the Society of Automotive Engineers Malaysia, Kuala Lumpur, Malaysia, v. 5, n. 2, p. 306–317, 2021. DOI: 10.56381/jsaem.v5i2.174. Disponível em: https://jsaem.my/index.php/journal/article/view/174. Acesso em: 21 jan. 2025.