• 
  tehran museum of contemporary art - 1987

• 
  tehran museum of contemporary art - 1987

• 
  unesco - paris - 1989

• 
  unesco - paris - workshop - 1989

• 
  director-general of unesco, federico mayor & m.zehtabchi-paris-1989

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  tehran - arasbaran culture center - 1995

• 
  mohammad nouri & m. zehtabchi - tehran - arasbaran culture center - 1995