Devianto, D., Sarah, S., Kumala, S.D. and Maiyastri, M. 2018. The Characteristic Function Property of Mixture Negative Binomial-Exponential Distribution. Science and Technology Indonesia. 3, 4 (Oct. 2018), 178–182. DOI:https://doi.org/10.26554/sti.2018.3.4.178-182.