Technological Review of Tubular Daylight Guide System from 1982 to 2020. European Journal of Engineering and Technology Research, [S. l.], v. 5, n. 3, p. 375–386, 2020. DOI: 10.24018/ejeng.2020.5.3.1809. Disponível em: https://mail.ej-eng.org/index.php/ejeng/article/view/1809. Acesso em: 22 oct. 2025.