Dr. Seung-Chul Yoo, Minhee Jeon, Tu Anh Truong, Seung-Mi Kang and Dr. Ilgi Shin (2021) “‘Tecoration’ Using Digital Outdoor Advertising: A Case Study of the Three Leading Global Smart Cities”, Turkish Journal of Computer and Mathematics Education (TURCOMAT), 12(13), pp. 6206–6216. doi: 10.17762/turcomat.v12i13.9902.