TY  - GEN
AU  - Willemse , Isabel
TI  -  Statistical methods and calculation skills
SN  - 9780702177538
AV  - TA174WIL2009 
PY  - 2009///
CY  - Lansdowne, Cape Town
PB  -  Juta
KW  -  Statistics -- Problems, exercises, etc
N1  - includes index
ER  -