TY  - BOOK
AU  - Onyango, John P. and A.M. Pleus
TI  - A textbook of basic statistics 
SN  - 9966-46-251-8
AV  - BSL HF 5691  O5 1987
PY  - 1987///
CY  - New Age international pub
PB  - New Delhi
ER  -