AHMED, O. T.; MUHAMMAD, Z. S. Calculating the Monthly Frequency for Cloud Cover in Baghdad Station. Al-Mustansiriyah Journal of Science, [S. l.], v. 29, n. 2, p. 17–25, 2018. DOI: 10.23851/mjs.v29i2.130. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/130. Acesso em: 4 oct. 2022.