Sarah Abbas Abdul-Zahra, and Abdul Hussein Saber ALMouel. “Restricted Maximum Likelihood Estimators for Unbalanced of Oneway Repeated Measurements Model”. Eurasian Journal of Physics,Chemistry and Mathematics 16 (March 30, 2023): 98–105. Accessed January 9, 2025. https://geniusjournals.org/index.php/ejpcm/article/view/3790.