Sedera, Darshana, and Maura Atapattu. “Polynomial Regression and Response Surface Methodology: Theoretical Non-Linearity, Tutorial and Applications for Information Systems Research”. Australasian Journal of Information Systems 23 (September 23, 2019). Accessed May 21, 2024. https://journal.acs.org.au/index.php/ajis/article/view/1966.