CHEENOWANG, K.; JITSANGIAM, P. . Development of Prototype for Monitoring the Railway Ballast Behavior. Naresuan University Engineering Journal, Phitsanulok, Thailand, v. 15, n. 2, p. 136–147, 2020. Disponível em: https://ph01.tci-thaijo.org/index.php/nuej/article/view/242665. Acesso em: 29 feb. 2024.