Solomon Dawal, Ph.D B, Mankilik M, Ruth SI. IMPACT OF NATURAL AND ARTIFICIAL INSTRUCTIONAL MATERIALS ON STUDENTS JUNIOR SECONDARY SCHOOL STUDENTS’ ACHIEVEMENT IN BASIC SCIENCE AND TECHNOLOGY IN NORTH CENTRAL NIGERIA. bj [Internet]. 2024 Mar. 31 [cited 2026 Apr. 22];. Available from: https://bwjournal.org/index.php/bsjournal/article/view/1824