Nicholas JE, Igabari JN. ANALYSIS OF TICKETING SERVICES OF NIGERIA RAILWAY CORPORATION USING M/M/S QUEUING MODEL: A CASE STUDY OF UJEVWU AND ITAKPE TRAIN STATIONS. NJSE [Internet]. 2023 Jun. 7 [cited 2024 May 20];21(1). Available from: https://delsunjse.com/index.php/njse/article/view/120