Private Tubewell Development and Cropping Patterns in West Pakistan. The Pakistan Development Review, [S. l.], v. 5, n. 1, p. pp.1–53, 1965. DOI: 10.30541/v5i1pp.1-53. Disponível em: https://thepdr.pk/index.php/pdr/article/view/108. Acesso em: 28 oct. 2025.