000 00299nam a2200121Ia 4500
100 _aMouly, George J
250 _a2nd edition
942 _cBK
245 _aThe science of educational research
260 _aVan nostrand reinhold company, New York
_c1970
082 _a370.78 Mou
300 _axiii,541
999 _c8810
_d8810