000 00303nam a22001097a 4500
003 OSt
100 _aBhattacharya, N P
245 _aExamples Instructional Materials for work experience on Electronic Technology : Class XI-X
260 _aNew Delhi
_bN. C. E. R. T.
_c1987
300 _ap.53
942 _2ddc
_cBK
999 _c4141
_d4141