On the Optimal Size of a Buffer Stock -The Case of Wheat in Pakistan. The Pakistan Development Review, [S. l.], v. 24, n. 3-4, p. pp.335–348, 2022. DOI: 10.30541/v24i3-4pp.335-348. Disponível em: https://thepdr.pk/index.php/pdr/article/view/683. Acesso em: 8 jun. 2025.