SHRESTHA, C. K. Dark Energy. Himalayan Physics, [S. l.], v. 5, p. 126–130, 2015. DOI: 10.3126/hj.v5i0.12899. Disponível em: https://www.nepjol.info/index.php/HP/article/view/12899. Acesso em: 4 dec. 2021.