TY  - BOOK
AU  - Okello,L O.
TI  - TOP Score! 1 teacher's book
SN  - 9789966885449
U1  - 510.713 TOP 
PY  - 1997///
CY  - Nairobi. 
PB  -  Macmillan
KW  - NATURAL SCIENCES & MATHEMATICS
ER  -