000 00379nam a2200145Ia 4500
008 211231s9999 xx 000 0 und d
020 _a81-250-1039-4
040 _cJayakar Knowledge Resource Centre
100 _aKumar, Krishna
245 0 _aWhat is worth teaching
260 _bOrient Longman
_aHyderbad
_c1997
300 _aviii,120p p.
653 _aTeaching
942 _c1
999 _c283847
_d283847