00929nam a2200265 i 450099100222413970753620020508192600.0010516s1987 us 000 0 eng d0803956630b10977429-39ule_instPARLA157624ExLDip.to Scienze pedagogicheita301Yin, Robert K.33449Case study research :design and methods /Robert K. YinThousand Oaks :Sage,1987160 p. ;23 cmApplied social research methods series ;5Sociologia - RicercheMetodi.b1097742923-02-1728-06-02991002224139707536LE022 301 YIN01.0112022000019521le022-E0.00-l- 00000.i1108970228-06-02Case study research16173UNISALENTOle02201-01-01ma -engus 01