Effendi, B. C., and E. Elisa. “RANCANG BANGUN SISTEM INFORMASI KAS RT 4 RW 01 KAVLING NATO KEL. SUNGAI LANGKAI KEC. SAGULUNG BERBASIS CODEIGNITER”. Computer and Science Industrial Engineering (COMASIE), vol. 5, no. 1, July 2021, pp. 39-44, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/3818.