Estimation of COVID-19 infections in Iraqi governorates using generalized moments method in spatial autoregressive model. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 3, p. 363–373, 2021. DOI: 10.21533/pen.v9.i3.854. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/854. Acesso em: 21 apr. 2026.