Sani M, Shamsuddeen Suleiman, Mustapha Isyaku. Robust Hausman pretest for panel data model in the presence of heteroscedasticity and influential observations. JOBASR [Internet]. 2023 Dec. 29 [cited 2026 Apr. 2];1(1):27-35. Available from: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/319