Oktarina, T., and T. Feriansyah. “QUALITY ANALYSIS OF THE LAPKIN WEBSITE SYSTEM USING THE WEBQUAL 4.0 METHOD AT DEPARTMENT OF THE ENVIRONMENT AND CLEANING PALEMBANG CITY”. Jurnal Teknik Informatika (Jutif), Vol. 3, no. 5, Oct. 2022, pp. 1415-21, doi:10.20884/1.jutif.2022.3.5.603.