000 00428nam a2200181Ia 4500
001 62937
008 240126s9999||||xx |||||||||||||| ||und||
020 _cRS 695.00
037 _cRS 695.00
082 _a371.33 PAC
100 _aPachauri, Suresh Chandra
_937438
245 0 _aEducational technology
260 _aNew Delhi
260 _bA P H Publishing Corporation
260 _c2011
300 _avi,258p.
942 _cBK
999 _c62937
_d62937