TY  - DATA
AU  - Levin, Jack A. 
AU  - Fox, James Alan
TI  - Elementary statistics in social research: essentials
SN  - 9781306120821
PY  - 2014///
CY  - Harlow 
PB  - Pearson 
N1  - 1 USD = Rs. 188.72 as at 2020-06-18
142.84 USD = Rs. 26,956.76

UR  - http://lib.sjp.ac.lk/pearson-e-book-library/
ER  -