000 00258nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, M S
245 0 _aNew Trends In Education
260 _aNew Delhi
_bAdhyayan
_c2007
300 _a228p.
942 _cBK
999 _c13448
_d13448