TIWARI, Bishwa Nath. Affordability and Willingness to Pay of Water Users in Kathmandu Valley. Economic Journal of Nepal, [S. l.], v. 22, n. 2, p. 53–74, 1999. DOI: 10.3126/ejon.v22i2.72140. Disponível em: https://www.nepjol.info/index.php/EJON/article/view/72140. Acesso em: 13 dec. 2025.