Hassan,  Bakr A. <br/><br/>
Teacher's guide in mathematics, statistics and computer science :  Grade IX secondary school level / 
Bakr A. Hassan et al. 
 - Morocco :  Islamic Educational, Scientific and Cultural Organization,  2001 
 - 108 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9981262749 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Probabilities<br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA273