TY  - BOOK
AU  - Riggleman,John R.
TI  - Business statistics
AV  - HF1017  .R5 
PY  - 1938///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Commercial statistics
KW  - Méthodes graphiques Commerce
KW  - Statistics
KW  - Graphic methods
N1  - Includes bibliographical references and index
ER  -