TY  - BOOK
AU  - Shamsher Singh
TI  - Customer relationship management
U1  - 658.812 S17C 
PY  - 2018///
CY  - Mumbai
PB  - Himalaya Publishing House
N1  - 4141 18/10/2021 HBD21/8872 18/10/2021 IMSAR (Dev. & Research)
ER  -