Sani, Muhammad, Shamsuddeen Suleiman, and Mustapha Isyaku. “Robust Hausman Pretest for Panel Data Model in the Presence of Heteroscedasticity and Influential Observations”. JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH 1, no. 1 (December 29, 2023): 27–35. Accessed April 2, 2026. https://jobasrfudutsinma.com/index.php/ojs-files/article/view/319.