KERTOUS M. ANALYSIS OF WILLINGNESS TO PAY OF ALGERIAN SUBSCRIBERS FOR IMPROVE THE QUALITY OF RESIDENTIAL WATER SERVICE. Les Cahiers du CREAD [Internet]. 5Jun.2018 [cited 5Dec.2025];(98/99):pp. 103-24. Available from: https://revue.cread.dz/index.php/les-cahiers-du-cread/article/view/351