IMPACT OF LANGUAGE OF INSTRUCTION ON ACADEMIC PERFORMANCE IN PRIMARY SCHOOLS IN DELTA STATE. EXISTENTIA: CONCRESCENCE JOURNAL OF ARTS AND HUMANITIES, [S. l.], v. 3, n. 2, 2025. Disponível em: https://journals.casjournals.com/index.php/ECOJAH/article/view/77. Acesso em: 10 jul. 2025.