Matchima, K., Vongprasert, J., & Chutiman, N. (2018). The Development of a Correction Method for Ensuring a Continuity Value of The Chi-square Test with a Small Expected Cell Frequency. Asian Health, Science and Technology Reports, 26(1), 98–105. retrieved from https://ph03.tci-thaijo.org/index.php/ahstr/article/view/1769