Asuzu JI, Okoli JN. EFFECTS OF MULTIMEDIA INTEGRATED INSTRUCTION AND DEMONSTRATION METHOD ON SECONDARY SCHOOL STUDENTS ACHIEVEMENT IN ECOLOGICAL CONCEPTS IN UDI EDUCATION ZONE. JSTME [Internet]. 2019 Dec. 16 [cited 2024 Apr. 29];3(1):179-91. Available from: https://journals.unizik.edu.ng/jstme/article/view/498