TY  - GEN
AU  - Hassan,Bakr A.
TI  - Teacher's guide in mathematics, statistics and computer science: Grade IX secondary school level 
SN  - 9981262749
AV  - QA273 
PY  - 2001///
CY  - Morocco
PB  - Islamic Educational, Scientific and Cultural Organization
KW  - Probabilities
KW  - Mathematics
ER  -