Impact of the Optimal Tilt Angle on the Solar Photovoltaic Array Size and Cost for a 100 kWh Solar Power System in Imo State. International Journal of Sustainable Energy and Environmental Research, [S. l.], v. 8, n. 1, p. 29–35, 2019. DOI: 10.18488/journal.13.2019.81.29.35. Disponível em: https://archive.conscientiabeam.com/index.php/13/article/view/2132. Acesso em: 14 sep. 2026.