Moore, R. E. (1979): Methods and applications of interval analysis.SIAM. doi:10.1137/1.9781611970906
Smarandache, F (2022):Neutrosophic Statistics is an extension of Interval Statistics, while Plithogenic Statistics is the most general form of statistics(second version).Internation journal of neutrosophic science. 19(1),pp.148-165. doi:10.54216/IJNS.190111.