Tharu, R. P. ., S. Pahari, G. P. Sedhai, and G. P. Dhungana. “Exponentiated Marshall-Olkin Exponential Distribution: Application of COVID-19 Second Wave in Nepal”. Nepal Journal of Mathematical Sciences, vol. 2, no. 2, Oct. 2021, pp. 43-56, doi:10.3126/njmathsci.v2i2.40078.