Mohammed ALrawi, Zainab Nihad, and Iman Hasan Alani. 2020. “Comparison Between Method Penalized Quasi- Likelihood and Marginal Quasi-Likelihood in Estimating Parameters of the Multilevel Binary Model”. Journal of Economics and Administrative Sciences 26 (122): 472-86. https://doi.org/10.33095/jeas.v26i122.2020.