000			00349nam a2200145Ia 4500
005			20250626142149.0
008			241013s9999 xx 000 0 und d
020			_a9788122422016
100			_aSingh S K
245		0	_aEngineering Chemistry
250			_a5
260			_aN.Delhi _bMcGraw-Hill Education (India) Limited
300			_a475
942			_cBK
999			_c5486 _d5486