000 00272nam a2200121Ia 4500
020 _a817487173X
082 _a808.06620
_bSHA
100 _aSharma, R.S.
245 _aTechnical writing
260 _aNew Delhi
_bRadha Krishan pub.
_c1999
300 _a182p.
650 _aEnglish
999 _c1759
_d1759