000			00320nam a2200133Ia 4500
100			_aCohen, Louis And Manion, Lawrence
020			_a0-415-10235-9
250			_a4th Ed
942			_cBK
245			_aResearch Methods in Education
260			_aRoutledge, London _c1980
082			_a370.78 Coh /Man
300			_axxi, 414
999			_c33655 _d33655