C.K. , Ronno,. Testing the Altitude and Latitude Based Solar Irradiance Models in Kenya . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 5, n. 1, p. Pg 135–139, 2018. Disponível em: https://ajest.org/index.php/ajest/article/view/533. Acesso em: 3 apr. 2026.