Pakpahan R, Frimpong Oppong R, Mareny R, Lubis J. THE EFFECT OF CUSTOMER WATER METER CALIBRATION IN CONTROLLING LOSS LEVELS NON-PHYSICAL WATER TIRTAULI PDAM TOZAI INDAH LAMA RESIDENTIAL AREA PEMATANGSIANTAR CITY. IHERT [Internet]. 2020 Dec. 31 [cited 2026 May 8];2:1-12. Available from: https://proceeding.unefaconference.org/index.php/IHERT/article/view/10