Ibrik, Imad, and Fadia Hashaika. “Techno-Economic Impact of Grid-Connected Rooftop Solar PV System for Schools in Palestine: A Case Study of Three Schools”. International Journal of Energy Economics and Policy, vol. 9, no. 3, Apr. 2019, pp. 291-00, https://econjournals.com.tr/index.php/ijeep/article/view/7593.