TY  - BOOK
AU  - Fabra, Norberto F.
TI  - Elementary statistics: for secondary schools
SN  - 971-1035-00-6
U1  - FIL 519.5 F12 1987 
PY  - 1987///
CY  - Manila, Philippines
PB  - Fabra, N.F. Educational Books
ER  -