Farm Size and Land Productivity Relationships in Pakistan . The Pakistan Development Review, [S. l.], v. 18, n. 1, p. pp.69–77, 1979. DOI: 10.30541/v18i1pp.69-77. Disponível em: https://thepdr.pk/index.php/pdr/article/view/514. Acesso em: 27 oct. 2025.