Confidence Intervals for the Coefficient of Variation of the Delta-Lognormal Distribution. - Noppadon Yosboonruang; Sa-Aat Niwitpong; Suparat Niwitpong (ECONVN, 2018)

Confidence Intervals for Coefficient of Variation of Three Parameters Delta-Lognormal Distribution. - Noppadon Yosboonruang; Suparat Niwitpong; Sa-Aat Niwitpong (Structural Changes and their Econometric Modeling, 2019)

Bayesian Estimation for the Difference between Coefficients of Quartile Variation of Delta-Lognormal Distributions: An Application to Rainfall in Thailand. - Noppadon Yosboonruang; Sa-Aat Niwitpong (Symmetry, 2023)

Interval Estimation Methods for the Variance of a Lognormal Model with Zero Inflation and Their Applications. - Patcharee Maneerat; Pisit Nakjai; Noppadon Yosboonruang; Sa-Aat Niwitpong (IEEA, 2024)