TY  - GEN
AU  - Chavunduka K
TI  - Step Ahead Physical Science: 'O'level 
SN  - 9781920672492
AV  - QC23 CHA 2013 
PY  - 2013///
CY  - Capetown
PB  - Pearson Education Africa
KW  - Physical Science
N1  - Includes index
ER  -