SAENGHIRUNA, K. A STUDY OF THE EVOLUTION OF PUBLIC TRANSPORT LOGO DESIGN. LONDON UNDERGROUND, UNITED KINGDOM. RMUTK Journal of Liberal Arts, ฺBangkok, Thailand, v. 3, n. 2, p. 77–88, 2021. Disponível em: https://so02.tci-thaijo.org/index.php/larts-journal/article/view/252616. Acesso em: 2 may. 2024.