NICHOLAS, J. E. .; IGABARI, J. N. . ANALYSIS OF TICKETING SERVICES OF NIGERIA RAILWAY CORPORATION USING M/M/S QUEUING MODEL: A CASE STUDY OF UJEVWU AND ITAKPE TRAIN STATIONS. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT, [S. l.], v. 21, n. 1, 2023. Disponível em: https://delsunjse.com/index.php/njse/article/view/120. Acesso em: 20 may. 2024.