DEVIANTO, Dodi et al. The Characteristic Function Property of Mixture Negative Binomial-Exponential Distribution. Science and Technology Indonesia, [S.l.], v. 3, n. 4, p. 178-182, oct. 2018. ISSN 2580-4391. Available at: <http://sciencetechindonesia.com/index.php/jsti/article/view/109>. Date accessed: 03 apr. 2020. doi: https://doi.org/10.26554/sti.2018.3.4.178-182.