Shakil M, Dr. Mohammad Ahsanullah, Kibria DBMGK. Characterizations of Some Probability Distributions with Completely Monotonic Density Functions . Pak.j.stat.oper.res. [Internet]. 2021Mar.2 [cited 2025Aug.2];17(1):51-4. Available from: https://pjsor.com/pjsor/article/view/3491