01028nam--2200349---450-99000278708020331620060721132839.00-205-36126-9000278708USA01000278708(ALEPH)000278708USA0100027870820060721h2004----km-y0itay50------baengUSy|||z|||001yyEducational researchquantitative, qualitative, and mixed approachesBurke Johnson, Larry Christensen2. edBoston [etc.]Pearsoncopyr. 2004XXVII, 564 p.24 cmEducazioneRicerche370.72JOHNSON,Burke594217CHRISTENSEN,Larry594218ITsalbcISBD990002787080203316II.4. 3514(VI B 1029)189253 L.M.II.4.00125022BKUMAANNAMARIA9020060721USA011328Educational research996356UNISA