TY  - BOOK
AU  - Jha Ajit Kumar
AU  - University of Delhi. Faculty of Arts. Department of Library and Information Science
ED  - University of Delhi. Faculty of Arts. Department of Library and Information Science
TI  - Reference and bibliographical sources in Central Science Library DU, National Science Library, INSDOC and their users : A study
PY  - 1999///
KW  - LIBRARY SCIENCE
ER  -