na INLIS000000000006422 Ind 0010-0422000029 Achieving Excellece through Customer Services Unggul, Bersaing melalui layanan pelanggan John Tschohl, Steve Franzmeier ; Penerjemah Djita Singo TSCHOHL, John Jakarta PT Gramedia Pustaka Utama 2003 xiv,454 hlm. 22 cm. 979-686-997-7 362.11 TSC a Judul asli : Achieving Excellece through Customer Services 362.11 Practice Management B0144/Perpust.Gizi/2022