Umar, Shehu Salihu, Zaharadeen Shuaibu Babandi, Auwal Garba Suleiman, Umar Muhammad Umar, Abdulhakeem Abayomi Olorukooba, Aisha Jamila Ahmad, Bilqis Olajumoke Muhammad, Abubakar Ibrahim Umar, Adam Ahmad, and Lawson O. Obazenu. “Assessing Performance of Resident Doctors in Training in Northwestern Nigeria”. Nigerian Journal of Medicine 30, no. 3 (July 1, 2021): 264–270. Accessed September 18, 2026. https://www.ajol.info/index.php/njm/article/view/209785.