Technology :  a foundation course living with technology block 2 numeracy. / 
The open university 
 - Milton Keynes  The open university  1989 
 - iv,44p.; ill.  Pbk 
<br/><br/><label>ISBN: </label>0749260041 
<br/><br/><label>LC Class. No.: </label>T45.L5 1988