TY  - BOOK
AU  - Okello,L O.
TI  - Top score! 2. : teacher's book
SN  - 9966-885-45-5
U1  - 510.0713 OKE 
PY  - 1998///
CY  - Nairobi. 
PB  -  Macmillan
KW  - NATURAL SCIENCES & MATHEMATICS
ER  -