Rabbani, A. D., A. S. Slamet, J. M. Munandar, and F. S. Hidayatulloh. “Driving Public Service Quality through Innovation and CRM: A Study of Perumda Air Minum Tirta Pakuan, Bogor”. Islamic Economics Methodology, vol. 4, no. 1, Oct. 2025, doi:10.58968/iem.v4i1.625.