Richard-Igweh, Amauche Esther, Maxwell Azubuike Ijomah, and Obineke Henry Onu. “Statistical Modeling of the Impact of Centre Points Replications on Second-Order Spherical Unit-Radial Points Designs”. Faculty of Natural and Applied Sciences Journal of Mathematical and Statistical Computing 1, no. 2 (April 30, 2023): 60–70. Accessed December 28, 2024. https://fnasjournals.com/index.php/FNAS-JMSC/article/view/297.