“Tariff Modulation for the Access to the Drinking Water System As Strategies to the Water Resource Safeguard in the Province of Asti (Italy)”. Progress in Nutrition 16, no. 1 (May 13, 2014): 8–15. Accessed June 30, 2024. https://mattioli1885journals.com/index.php/progressinnutrition/article/view/3520.