“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’”, int.jour.sci.res.mana, vol. 10, no. 02, pp. 3129–3136, Feb. 2022, doi: 10.18535/ijsrm/v10i2.em12.