“THE APPLICATION OF WATER FOOTPRINT AND SIX-SIGMA METHOD TO REDUCE THE WATER CONSUMPTION IN AN ORGANIZATION”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 17, no. 61, pp. 21–27, Jan. 2019, Accessed: May 06, 2026. [Online]. Available: https://geomatejournal.com/geomate/article/view/2101