1.
Obam S. THE ACCURACY OF SCHEFFE’S THIRD DEGREE OVER SECOND-DEGREE, OPTIMIZATION REGRESSION POLYNOMIALS. NIJOTECH [Internet]. 2006 Sep. 16 [cited 2023 Nov. 29];25(2):5-15. Available from: https://www.nijotech.com/index.php/nijotech/article/view/531