ANALYTICAL ESTIMATION OF OPTIMAL PV PANEL TILT BASED ON CLEAR-SKY IRRADIANCE MODEL. ETIMA, [S. l.], v. 2, n. 1, p. 13, 2024. Disponível em: https://js.ugd.edu.mk/index.php/etima/article/view/6433. Acesso em: 3 oct. 2025.