000 00302nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a370.78 E6M3
100 _aEngelhart, Max D.
245 0 _aMethods of Educational Research
260 _aChicago
_bRand McNally
_c1972
300 _a553p.
942 _2ddc
999 _c9435
_d9435