TRIPATHI, Harsh; YADAV, Abhimanyu Singh; SAHA, Mahendra; SHUKLA, Shivanshi. A New Flexible Extension of Xgamma Distribution and its Application to COVID-19 Data. Nepal Journal of Mathematical Sciences, [S. l.], v. 3, n. 1, p. 11–30, 2022. DOI: 10.3126/njmathsci.v3i1.44100. Disponível em: https://www.nepjol.info/index.php/njmathsci/article/view/44100. Acesso em: 7 dec. 2025.