01211nam a22002891i 450099100312124970753620030831163802.0030925s1991 fi a||||||||||||||||eng 9514557964b12382711-39ule_instARCHE-043024ExLBiblioteca InterfacoltàitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.150.72Kontiainen, Seppo455683Use of conceptual models in case studies :dynamic concept analysis /Seppo Kontiainen ; applications in collaboration with Klaus Helkama ... [et al.]Helsinki :[s.n.],1991237 p. :ill. ;21 cmResearch bulletin / University of Helsinki, Department of education ;78PsicologiaMetodi statisticiPsicologiaRicercheMetodoHelkama, Klaus.b1238271102-04-1408-10-03991003121249707536LE002 D Ann. 897/07812002000129789le002-E0.00-l- 00000.i1278901x08-10-03Use of conceptual models in case studies169134UNISALENTOle00208-10-03ma -engfi 01