Ningsi, Nurfitria, et al. “Quality Analysis of E-Government Services Using SERVQUAL Method (Case Study of SAMSAT Office in Kolaka Regency)”. INTENSIF: Jurnal Ilmiah Penelitian Dan Penerapan Teknologi Sistem Informasi, vol. 4, no. 2, Aug. 2020, pp. 142-58, https://doi.org/10.29407/intensif.v4i2.13707.