Rahmana, A., Rahmanto, E. A., & Purbaya, D. G. (2022). ANALYSIS OF CHECK-IN COUNTER SERVICE PERFORMANCE USING THE QUEUE METHOD AT HUSEIN SASTRANEGARA AIRPORT. CENTRAL ASIA AND THE CAUCASUS, 23(1), 4169-4175. https://ca-c.org/CAC/index.php/cac/article/view/411