Efficacy of City Bus Service in Thimphu Thromde Service and Service Need Assessment. Bhutan Journal of Research and Development, [S. l.], v. 8, n. 1, p. 34–46, 2019. Disponível em: https://www.bjrd.com.bt/index.php/bjrd/article/view/41. Acesso em: 17 jun. 2026.