000 00311nam a2200121Ia 4500
100 _aCohen, Louis; Manion, Lawrence & Morrison, Keith
020 _a978-0-415-58336-7
942 _cBK
245 _aResearch methods in education
260 _aRoutledge, London
_c2013
082 _a370.78 Coh
300 _axxii,758
999 _c48365
_d48365