“Analysis of the Utilization of Information and Communication Technology in the Communication and Information Services of Batu City in Supporting the Realization of Batu City As a ‘Smart City’”. International Journal of Scientific Research and Management (IJSRM) 10, no. 02 (February 27, 2022): 3129–3136. Accessed July 3, 2024. https://ijsrm.net/index.php/ijsrm/article/view/3752.