TY  - BOOK
AU  - Parel, Cristina
AU  - Parel, Cristina P.
TI  - Data  analysis and interpretation.
AV  - HA 33 .D38 1979 
PY  - 1979///
CY  - Quezon City, Philippines
PB  - Philippine Social Science Council Inc.
KW  - Statistical analysis
ER  -