TY  - BOOK
AU  - Vaughan, Liwen
TI  - Statistical methods for the information professional: a practical painless approach to understanding, using and interpreting statistics 
T2  - ASIST monograph series
SN  - 9788170005520
U1  - 519.5  
PY  - 2009///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - Commercial statistics
N1  - includes bibliographical references & index
ER  -