Azmar, D., and L. Suryadi. “RANCANGAN SISTEM INFORMASI JASA PENCUCIAN PADA MODERN LAUNDRY”. IDEALIS : InDonEsiA JournaL Information System, Vol. 1, no. 4, Sept. 2018, pp. 146-51, https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/1107.