000 00351nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e178345
_aMAIN
041 _aEnglish
082 _a371.3028 E82E
100 _aPandey, V C, ed.
245 0 _aEducational technology
260 _aNew Delhi
_bIsha Books
_c2007
300 _a312 p.
942 _cBK
999 _c156709
_d156709