000 00274nam a2200121Ia 4500
100 _aDhiman, O. P.
020 _a81-7835-557-4
942 _cBK
654 _a
245 _aPrinciples techniqes of education
260 _aDelhi
_bKalpaz Publications
_c2007
082 _a370.1
999 _c366103
_d366103
041 _aeng