“Estimating the Scale Parameter for the Lindley Distribution - A Comparative Study of Waiting Time Analysis”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 43, no. 2 (October 6, 2021): 266–278. Accessed August 30, 2026. https://jrucs.iq/index.php/JAUCS/article/view/153.