“PENGENDALIAN KUALITAS PELAYANAN PADA NABILA LAUNDRY SYAR’I”, comasiejournal, vol. 8, no. 4, pp. 1–7, Jan. 2023, Accessed: Oct. 06, 2026. Available: https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/6979