THE ROLE OF SCHOOL SUPERVISION AND QUALITY ASSURANCE IN ENHANCING EDUCATIONAL STANDARDS IN PUBLIC SENIOR SECONDARY SCHOOLS IN BAUCHI STATE. EXISTENTIA: CONCRESCENCE JOURNAL OF ARTS AND HUMANITIES, [S. l.], v. 3, n. 3, 2025. Disponível em: https://journals.casjournals.com/index.php/ECOJAH/article/view/168. Acesso em: 6 oct. 2025.