000 00367nam a2200145Ia 4500
008 150502s9999||||xx |||||||||||||| ||und||
082 _a371.2 TYA
100 _a"Tyagi, Okar Singh"
245 _aShekshik Prabandh Evem Vidyalaya Sangthan
250 _a2005
260 _bArihant Shiksha Prakashan
300 _a371.2 TYA
600 _aEducation
942 _2ddc
_cBK
999 _c10238
_d10238