000 00493nam a2200157Ia 4500
008 241206s9999||||xx |||||||||||||| ||und||
020 _a9788131309759
_c139
040 _beng
_cSSK Library
_erda
082 _a371.33/PAC
100 _a Dr. Suresh Chandra Pachauri, Dr. Pardeep Kumar, Dr. Pratap Singh Rana
245 0 _aEducational Technology
260 _b A.P.H. Publishing Corporation
_c©2011
942 _2Dewey Decimal Classification
_cBOOK
_nNo
999 _c14237
_d14237
003 OSt
005 20241206223200.0