TY  - BOOK
AU  - Shukla,M.C.
AU  - Gulshan,S.S.
TI  - Statistics : : theory and practice 
U1  - 519.5 
PY  - 1978/// [Reprinted 1983]
CY  - New Delhi : 
PB  - S. Chand, 
KW  - Mathematical statistics.
ER  -