Ishaq, M., F. A. Oluwole, N. C. Amulah, and A. Bello. “Performance Evaluation of Box-Type Solar Cookers Using Different Insulation Materials”. Nigerian Journal of Science and Engineering Infrastructure, vol. 1, no. 1, Oct. 2023, https://njsei.naseni.gov.ng/index.php/nsjei/article/view/59.