Demand Response in Pakistan: A Modification of the Linear Expenditure System for 1976. The Pakistan Development Review, [S. l.], v. 27, n. 3, p. pp.293–308, 1988. DOI: 10.30541/v27i3pp.293-308. Disponível em: https://thepdr.pk/index.php/pdr/article/view/832. Acesso em: 26 oct. 2025.