KOJU, RK; ARYAL, B; SHAHI, SR. Photometry of Betelgeuse from the National Observatory, Nagarkot, Nepal. Scientific World, [S. l.], v. 10, n. 10, p. 7–12, 2012. DOI: 10.3126/sw.v10i10.6853. Disponível em: https://nepjol.info./index.php/SW/article/view/6853. Acesso em: 26 apr. 2025.