000 00324nam a2200121Ia 4500
100 _aCohen, Louis
020 _a0-06-318047-2
942 _cBK
245 _aEducational Research in Classrooms and Schools : a manual of materials and methods
260 _aHarper &Row, London
_c1976
082 _a370.78 Coh
300 _axvi, 426
999 _c1654
_d1654