Confidence Intervals for Common Variance of Normal Distributions. - Narudee Smithpreecha; Sa-Aat Niwitpong; Suparat Niwitpong (IUKM, 2016)

Confidence Intervals for Common Mean of Lognormal Distributions. - Narudee Smithpreecha; Sa-Aat Niwitpong; Suparat Niwitpong (ECONVN, 2018)

Confidence Interval Estimation for the Ratio of the Percentiles of Two Delta-Lognormal Distributions with Application to Rainfall Data. - Warisa Thangjai; Sa-Aat Niwitpong; Suparat Niwitpong; Narudee Smithpreecha (Symmetry, 2023)