Water and Sanitation Access: An Analysis of Households in Indonesia. Efficient: Indonesian Journal of Development Economics, [S. l.], v. 8, n. 1, p. 1–12, 2025. DOI: 10.15294/7emk2x36. Disponível em: https://journal.unnes.ac.id/journals/efficient/article/view/16376. Acesso em: 6 dec. 2025.