TI - Using the Infrastructure Leakage Index (ILI) indicator for effective and sustainable leakage management: importance, advantages and challenges AU - YILMAZ, S. AU - FIRAT, M. AU - ÖZDEMİR, Ã. SO - Sigma Journal of Engineering and Natural Sciences 2022;40:715-723. DO - 10.14744/sigma.2022.00087