LENINA OLIN; OSCARIUS YUDHI ARI WIJAYA; NOVI INDAH EARLYANTI; ELVIANUS LAOLI. Public Service Quality: A Study on the Integrated Police Service Center (SPKT) at Polres Metro Jakarta Pusat (SERVQUAL). Al-Kharaj: Journal of Islamic Economic and Business, [S. l.], v. 8, n. 2, 2026. DOI: 10.24256/kharaj.v8i2.10195. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/10195. Acesso em: 24 jun. 2026.