000 00270nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSrivastava, D.S.
245 0 _aEducation Instructional Methods
260 _aDelhi
_bIsha Books
_c2007
300 _a297p.
942 _cBK
999 _c12059
_d12059