000 00374nam a2200121Ia 4500
008 180413s9999 xx 000 0 und d
100 _aBarnes Fred P
245 0 _aResearch For The Practitioner In Education
260 _bWashington D.C. : Nat. Educ. Assoc. 1964.
300 _a141
546 _aEng
690 _aEducation ; Teaching ; Learning ; Research Design ; Education.
999 _c22081
_d22081