A Alyafi, R. (2017) “Durban Watson for Testing the Lack-of-Fit of Polynomial Regression Models without Replications”, Journal of Global Research in Mathematical Archives(JGRMA), 4(11), pp. 165–172. Available at: https://jgrma.com/index.php/jgrma/article/view/375 (Accessed: 14 March 2025).