00371nam a22000977a 4500008004100000020001800041100002900059245006200088250004200150260008100192240905b        |||||||| |||| 00| 0 eng d  a1-85396-294-5  aPeter Clough &Len Barton  aMaking DifficultiesbResearch and the Construction of SEN  b1st EditioncPeter Clough &Len Barton  bPaul Chapman Publishing Pressc1995dPrinteEnglishhLondoni392725434l3980