محمد يحيى م. Types of Unusual Observations in Multiple Regression & Some Methods of it’s Diagnostic with Application. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 9, n. 1, p. 161–192, 2009. DOI: 10.33899/iqjoss.2009.030631. Disponível em: https://ojs.uomosul.edu.iq/index.php/stats/article/view/29165. Acesso em: 8 sep. 2025.