Development of a tracking system for parabolic solar concentrators. Journal of the College of Basic Education, [S. l.], v. 17, n. 67, p. 1–12, 2022. DOI: 10.35950/cbej.vi.7785. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7785.. Acesso em: 8 jul. 2024.