000 00420nam a2200097 4500
245 _aExemplar instructional material for pre-vocational course under work experience on electronics technology, instructional-cum-practical manual, classes IX-X
100 _aNational Council of Educational Research and Training
260 _aNew Delhi
_bThe author
_cc1987
300 _aviii, 53p.: ill.; 18cm.
082 _a371.9044:621.381
_bNAT
999 _c62680
_d62680