Newtonian and modified newtonian gravitational simulation of spiral galaxies. Iraqi Journal of Physics, [S. l.], v. 11, n. 21, p. 20–27, 2019. DOI: 10.30723/ijp.v11i21.363. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/363.. Acesso em: 2 may. 2024.