ONUCHUKWU, C.; ASTROLAB GROUP. Starlight In The Lab – Observing A Variable Star. COOU Journal of Multidisciplinary Studies, [S. l.], v. 1, n. 1, p. 91–106, 2017. Disponível em: http://cjoms.coou.edu.ng/index.php/journal/article/view/8. Acesso em: 3 may. 2024.