An Econometric Study of the Demand for Fertilizers in Pakistan. The Pakistan Development Review, [S. l.], v. 14, n. 1, p. pp.135–141, 1975. DOI: 10.30541/v14i1pp.135-141. Disponível em: https://thepdr.pk/index.php/pdr/article/view/373. Acesso em: 26 oct. 2025.