IMPACT OF PUBLIC WATER SERVICE QUALITY ON HOUSEHOLD WILLINGNESS TO PAY IN ISLAMABAD. International Journal of Social Sciences Bulletin, [S. l.], v. 4, n. 6, p. 1710–1717, 2026. Disponível em: https://ijssbulletin.com/index.php/IJSSB/article/view/2566.. Acesso em: 3 jul. 2026.