Living with uncertainty; unit guide:  The school mathematics project/ 
Chris Belsom, Stan Dolan, Chris Little and Mary Rouncefield. 
 - xiii.34p.:  ill. graphs, tables and diagrams;  24 cm 
<br/><br/><label>ISBN: </label>0521408768 9780521408769 
<br/><br/><label>LC Class. No.: </label>QA107  / .L76 1991