GJUMBIR, Marijana, and Tomislav ŠIKIĆ. “Svojstva Negativne Binomne Razdiobe I Njene Primjene U Prometu”. Promet - Traffic&Transportation 1, no. 6 (January 28, 2026): 717–720. Accessed January 29, 2026. https://traffic2.fpz.hr/index.php/PROMTT/article/view/3432.