APPLICATIONS OF STRONG-LENSING FOR SOME GRAVITATIONAL LENSES. Al-Nahrain Journal of Science, [S. l.], v. 10, n. 2, p. 73–76, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1437. Acesso em: 4 apr. 2025.