“PENCATATAN ANGKA METER AIR DI WATER TREATMENT PLANT (WTP) GRAND CIKARANG CITY BERBASIS QR CODE MELALUI SMARTHPHONE”, JIS, vol. 3, no. 1, pp. 28–32, Sep. 2024, Accessed: Jan. 16, 2026. [Online]. Available: https://simantik-panca-sakti.ac.id/index.php/simantik/article/view/26