MOHAMMED SIRAJO ADAMU, ALIYU MOH’D BELLO. THE INFLUENCE OF TEACHER PROFESSIONALISM ON THE ACADEMIC PERFORMANCE IN ECONOMICS AMONG, SECONDARY SCHOOL STUDENTS IN GOMBE LGA OF GOMBE STATE, NIGERIA. BJASD. 2024;4(2). Accessed September 25, 2025. https://berkeleypublications.com/bjasd/article/view/180