CHUKS. PH.D, Z. O. .; FRIDAY. PH,D, I. E. .; CHUKUDI VICTOR. PH.D, N.-O. .; ONYIJE. PH.D, C. .; THERESA. PH.D, A.; CLIFFORD., O. . EFFECT OF STANDARD MATERIALS ON STUDENTS’ ACADEMIC ACHIEVEMENT IN CHEMISTRY IN SENIOR SECONDARY SCHOOLS IN RIVERS STATE. BW Academic Journal, [S. l.], v. 2, 2025. Disponível em: https://bwjournal.org/index.php/bsjournal/article/view/3403. Acesso em: 29 apr. 2026.