The Use Penalized Quasi Likelihood (PQL) to Estimate Multilevel Binary Logistic Model to Identify the Factors of Anemia. Al-Rafidain J Sci [Internet]. 2024 Jan. 14 [cited 2024 Nov. 19];54(1):498-50. Available from: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/617