“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), vol. 10, no. 02, Feb. 2022, pp. 3129-36, https://doi.org/10.18535/ijsrm/v10i2.em12.