TY  - BOOK
AU  - Nagpal,T.K.
AU  - Narayana, P. S. 
TI  - Practical Business Statistics / 
U1  - 519.502465 23
PY  - 1988///.
CY  - Delhi : 
PB  - Konark Publisher Pvt Ltd. 
KW  - Statistics.
KW  - Statistique commerciale.
ER  -