TY  - BOOK
AU  - Suseela Kumar
TI  - Changing concepts of reference service
T2  - Sarada Ranganathan endowment for library science series
SN  - 0-7069-0302-1
PY  - 1974///
CY  - Delhi, India
PB  - Vikas Publishing House Pvt. Ltd.
KW  - Library services
ER  -