حامد سعد الشمرتي; هناء سعد محمد. The effect of estimation methods on performance measures for queuing systems (M/M/1). Iraqi Journal for Administrative Sciences, كربلاء، جمهورية العراق, v. 9, n. 37, p. 23–36, 2025. Disponível em: https://journals.uokerbala.edu.iq/index.php/ijas/article/view/3021. Acesso em: 22 jan. 2025.