BARAL, S.; CHHETRI, D. Multiverse. Himalayan Physics, [S. l.], v. 5, p. 109–111, 2015. DOI: 10.3126/hj.v5i0.12887. Disponível em: https://www.nepjol.info/index.php/HP/article/view/12887. Acesso em: 23 feb. 2024.