Household’s Willingness to Pay for Safe Drinking Water: A Case Study of Abbottabad District. The Pakistan Development Review, [S. l.], v. 46, n. 4II, p. pp.1137–1153, 2022. DOI: 10.30541/v46i4IIpp.1137-1153. Disponível em: https://thepdr.pk/index.php/pdr/article/view/2243. Acesso em: 7 jun. 2025.