Babalola, Ebenezer. “Design and Development of 3-Dimensional Model of Human Circulatory System to Teach a Concept of Biology in Senior Secondary Schools”. Indonesian Journal of Teaching in Science 2, no. 1 (Maret 1, 2022): 17–28. Diakses September 16, 2026. https://ejournal-dppm.upi.edu/ijotis/article/view/893.