000 00405nam a2200157Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a335152481
040 _cLDD
100 _aHammersley M
245 0 _aControversies in classroom research
_cHammersley M
260 _aMilton Keynes
_bOpen University press
_c1986
300 _ax, 265p.
901 _a314
_b12-03-1996
942 _2ddc
_cBK
999 _c28852
_d28852