TY  - BOOK
AU  - Smart, Louis Edwin
AU  - Arnold, Sam
TI  - Practical rules for graphic presentation of business statistics
AV  - HA 31 S6
PY  - 1947///
CY  - Columbus, Ohio
PB  - The Bureau of Business Research
KW  - Estadística
KW  - Métodos gráficos
ER  -