Fridayani, H. D., and R. Rifaid. “Smart City As A Tools to Achieve Sustainability City: Case Study: Sleman Smart Regency Implementation, Indonesia”. Jurnal Ilmiah Tata Sejuta STIA Mataram, Vol. 5, no. 2, Sept. 2019, pp. 308-20, doi:10.32666/tatasejuta.v5i2.93.