ZUDONU, ONISOMAN CHUKS. PH.D; IKWUT EMMANUEL FRIDAY. PH,D; NNAM-OBI CHUKUDI VICTOR. PH.D; CHARLES ONYIJE. PH.D; OLOWU CLIFFORD. 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/3419. Acesso em: 27 jul. 2026.