Eleftheriou, Polyvios C., and Ioannis M. Michaelides. “Lessons Taught and Learned from the Operation of the Solar Energy E-Learning Laboratory”. International Journal of Online and Biomedical Engineering (iJOE) 5, no. 5 (July 30, 2009): pp. 13–17. Accessed April 28, 2024. https://online-journals.org/index.php/i-joe/article/view/955.