000			00347nam a2200133Ia 4500
008			231011s9999||||xx |||||||||||||| ||und||
020			_a9781292057743
041			_aeng
100			_aChristensen, Larr B. Johnson, R Burke _914327
245		0	_aResearch methods, design and analysis
250			_a12th ed.
260			_bPearson _c2015
942			_cBK
999			_c23962 _d23962