Rust R. ., . (2003). e- Service : New Directions in Theory and Practice. New Delhi: Prentice Hall of India Private Limited.
Rust Roland, . 2003. e- Service : New Directions in Theory and Practice. New Delhi: Prentice Hall of India Private Limited.
Rust Roland, . e- Service : New Directions in Theory and Practice. New Delhi: Prentice Hall of India Private Limited. 2003.