00000nam 2200000 4500 INLIS000000000018779 20241212093911 0010-1224000150 ta 241212################g##########0#eng## 0 7494 0351 9 658.812 658.812 MAR m Martin, William B. Managing Quality Customer Service / William B. Martin England : Kogan Page, 1991 91 halaman : ilus ; 21,5 cm Customer Service 00084603