DETERMINATION THE AGE OF GALAXIES USING STRONG GRAVITATIONAL LENSING. Al-Nahrain Journal of Science, [S. l.], v. 11, n. 2, p. 112–114, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1360.. Acesso em: 16 may. 2024.