TY  - BOOK
AU  - Ybañez, Lydia Monzon-
AU  - ibañez, Lydia Monzon
TI  - Basic statistics
AV  - QA 276.12 Y33 1999 
PY  - 1999///
CY  - Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Statistics
ER  -