Oscillation of the per capita growth rate. Baghdad Science Journal, Iraq, Baghdad, v. 2, n. 2, p. 327–331, 2005. DOI: 10.21123/bsj.2005.621. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/621.. Acesso em: 4 jul. 2024.