000 00363nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aKumar Krishna
245 _aWhat is worth teaching?
260 _aNew Delhi
260 _bOrient Longman
260 _c1995
300 _a73p.
650 _aEducation-teaching
_aEducation
763 _a18471
942 0 0 _02
999 _c35335
_d35335