Analisis Kinerja Antrian Pelanggan Restoran Cepat Saji (Studi Kasus : Kfc Jln. Gajah Mada, Medan, Sumatera Utara): Analysis of Restaurant Fast Food Customer Queue Performance (Case Study: KFC Gajah Mada St., Medan, North Sumatra). st [Internet]. 2018 Oct. 17 [cited 2026 May 1];1(1):032-7. Available from: https://talentaconfseries.usu.ac.id/index.php/st/article/view/186