Adiyadnya MSP, Puspita NPI, Putri CIAEN. OPTIMALISASI KINERJA STAFF GUEST RELATION OFFICER (GRO) MELALUI PELATIHAN CUSTOMER SERVICE DAN PENANGANAN KONDISI DARURAT DI MARUTI EXPRESS . SENEMA [Internet]. 28 Mei 2026 [dikutip 3 Juni 2026];5(1):400-4. Tersedia pada: https://e-journal.unmas.ac.id/index.php/seminarfeb/article/view/14218