An Estimation of the Grant Element in Foreign Aid. The Pakistan Development Review, [S. l.], v. 16, n. 1, p. pp.1–16, 1977. DOI: 10.30541/v16i1pp.1-16. Disponível em: https://thepdr.pk/index.php/pdr/article/view/437. Acesso em: 27 oct. 2025.