“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)” (2018) Talenta Conference Series: Science and Technology (ST), 1(1), pp. 032–037. doi:10.32734/st.v1i1.186.