TY  - BOOK
AU  - Gupta,Jai P.
AU  - Saini,S.S.
TI  - Introduction to statistical methods
AV  - HA 29 .G87 1995
PY  - 1980///
CY  - Ludhiana, New Delhi
PB  - Kalyani publishers
N1  - includes bibliographical references and index
ER  -