000 00346nam a2200133Ia 4500
005 20260720174602.0
008 260720s2006 xx 000 0 und d
041 _aeng
082 _a374.1 SINN
100 _aSingh, U K
_9268600
245 _aNon-formal & continuing education
260 _aNew Delhi
_bDiscovery Publishers
_c2006
300 _a249p
999 _c242678
_d242678