Ighravwe, D. E. and Mashao, D. (2021) “Using a neural network model to determine electricity sales under renewable energy systems penetration consideration”, Engineering and Applied Science Research, 48(1), pp. 73–82. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/237840 (accessed: 18 September 2026).