SZNAJDER, M.; ADAMCZYK, G. EVALUATION METHODS OF IDENTIFICATION INCOME DEMAND ELASTICITY COEFFICIENTS. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 2, n. 1, p. 25–42, 2003. Disponível em: https://aspe.sggw.edu.pl/article/view/994. Acesso em: 5 may. 2024.