Combining Yearly and Quarterly Data in Regression Analysis. The Pakistan Development Review, [S. l.], v. 27, n. 4II, p. pp.715–723, 1988. DOI: 10.30541/v27i4IIpp.715-723. Disponível em: https://thepdr.pk/index.php/pdr/article/view/866. Acesso em: 26 oct. 2025.