Abuzaid, Ali Hassan, Enass Abed, Abdu Atta, and Esam Mahdi. “An Alternative Diagnostic Procedure for Meta-Regression”. Statistics, Optimization & Information Computing 8, no. 1 (February 17, 2020): 54-65. Accessed May 21, 2022. http://www.iapress.org/index.php/soic/article/view/864.