MUDASIRU, Mustapha. Estimation of Global Solar Radiation on Horizontal Surface in Kano, Nigeria Using Air Temperature Amplitude. International Journal of Integrated Engineering, [S. l.], v. 11, n. 6, p. 103–109, 2019. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/1962. Acesso em: 11 mar. 2026.