Zudonu, Onisoman Chuks. Ph.D, Ikwut Emmanuel Friday. Ph,D, Nnam-Obi Chukudi Victor. Ph.D, Charles Onyije. Ph.D and Olowu Clifford (2025) “EFFECT OF STANDARD MATERIALS ON STUDENTS’ ACADEMIC ACHIEVEMENT IN CHEMISTRY IN SENIOR SECONDARY SCHOOLS IN RIVERS STATE”., BW Academic Journal, 2. Available at: https://bwjournal.org/index.php/bsjournal/article/view/3419 (Accessed: 27 July 2026).