PUTRI NUR NABILA; AKHMAD WASIUR RIZQI; MOH. JUFRIYANTO. PENINGKATAN KUALITAS LAYANAN JASA CLEANING SERVICE PT. XYZ DENGAN METODE SERVICE QUALITY (SERVQUAL) DAN IMPORTANCE PERFORMANCE ANALYSIS (IPA). JUSTI (Jurnal Sistem dan Teknik Industri), [S. l.], v. 5, n. 4, p. 400–410, 2025. Disponível em: https://journal.umg.ac.id/index.php/justi/article/view/10251. Acesso em: 14 jun. 2026.