OLASUNKANMI OLADAPO, J., جيمس, and k. Ayinde K. Ayinde. “Performance of Some Yang and Chang Estimators in Logistic Regression Model”. IRAQI JOURNAL OF STATISTICAL SCIENCES, vol. 21, no. 1, June 2025, pp. 1-11, https://rjps.uomosul.edu.iq/index.php/stats/article/view/20598.