000 00326nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a370.72 TRA
100 _aTravers Robert M.W.
245 3 _aAn Introducation to Educational Reserch
260 _aNew York
_bMacmillan Pub. Co.
_c1978
300 _a446 p.
942 _2ddc
_cB
999 _c628116
_d628116