00242nam a2200097Ia 4500080001700000100002100017245003500038260003900073300001400112583001800126  a06.01.01 E61  aEntwistle, N. J.  aEducational research in action  bUniv. of London P.aLondonGBc1972  ax, 342 p.  c2/16/05kJOYD