TY  - BOOK
AU  - Zeithaml, V.A; Bitner, M.J & Gremler, D.D
TI  - Service Marketing : Intergrating Customer Focus Across The Firm .-6th ed .-978-1-25-902681-2
SN  - 978-1-25-902681-2
PB  - TMH, New Delhi
ER  -