TY  - BOOK
AU  - Asghar, Muhammad
TI  - Study guide on information sources and services, code 5502, unit 1-9
U1  - 025 
PY  - 2011///
CY  - Islamabad
PB  - Allama Iqbal Open University
KW  - Library sciences
N1  - general reference sources;
special reference sources - science and technology;
special reference sources - humanities and social sciences;
evaluation of reference sources;
reference and information services;
use of machine readable sources;
management of reference and information department;
bibliographic sources;
bibliographic control in Pakistan

ER  -