Roth, Rogerio L. “Frameworks for Integration of Digital Technologies at the Roadside: Innovative Models, Current Trends and Future Perspectives”. International Journal of Learning, Teaching and Educational Research 13, no. 2 (September 30, 2015): 37–54. Accessed May 14, 2026. http://ijlter.net/index.php/ijlter/article/view/1025.