TY  - BOOK
TI  - MATHEMATICS P4. : teachers' book
SN  - 978-9966-330-41-3 9966330410
U1  - 510.713 MAT 
PY  - 2003///
CY  - Nairobi. 
PB  -  Secretariat of Education - New Sudan
KW  - NATURAL SCIENCES & MATHEMATICS
ER  -