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 [Internet]. 2024 Jun. 30 [cited 2025 Sep. 25];4(2). Available from: https://berkeleypublications.com/bjasd/article/view/180