ZAKARIA, Husna; MD. ROHANI, Munzilah; AL MADHOUN, Wesam; MD ISA, Hazwani. Sustainability in Urban Transit: The Role of Expectancy Theory to Gain Loyalty Among Passengers of Free Bus Services in Klang Valley, Malaysia. International Journal of Sustainable Construction Engineering and Technology, [S. l.], v. 16, n. 2, p. 314–332, 2025. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/18130. Acesso em: 11 mar. 2026.