01117nam a22002771i 450099100077901970753620040130185232.0040220s1969 uik|||||||||||||||||eng b12669209-39ule_instARCHE-066754ExLDip.to Scienze pedagogicheitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.370.3Encyclopedia of educational research :a project of the American educational research Association /[a cura di] Robert L. Ebel, Victor H. Noll, Roger M. Bauer4 ed.London :Macmillan, Collier-Macmillan,1969XLIV, 1522 p. ;28 cmEducazioneEnciclopedie e dizionariEbel, Robert L.Noll, Victor H.Bauer, Roger.b1266920902-04-1417-03-04991000779019707536LE022 MP 63 I 812022000098885le022-E0.00-l- 00000.i1317772217-03-04Encyclopedia of educational research273701UNISALENTOle02217-03-04ma -enguik01