000			00336nam a2200121Ia 4500
005			20260329235254.0
008			260329s9999||||xx |||||||||||||| ||und||
082			_a001.42 T741R
100			_aTrochim, William M.
245		0	_aResearch Methods: The essential knowledge base
260			_aNew Delhi _bCengage Learning _c2016
942			_cBK
999			_c280322 _d280322