Sangthong M. The Effect of the Likert Point Scale and Sample Size on the Efficiency of Parametric and Nonparametric Tests. Thail. Stat. [Internet]. 2019 Dec. 12 [cited 2024 May 2];18(1):55-64. Available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/228886