000 00529nam a2200193Ia 4500
005 20250508164127.0
008 008 250505s9999 xx 000 0 eng d
037 _aReference
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a371.102, KRI
_qFEDL
100 _aKrishna Kumar
245 0 _aWhat is worth teaching?
250 _a3rd
260 _aNew Delhi, India
_bOrient Longman Private Limited
_c1992
300 _avii,136p.
942 _cREF
_h371.102, KRI
999 _c1387201
_d1387201