00895nam a2200241 i 450099100383636970753620030103110718.0020124s1994 it ||| | ita 8822113705b11871738-39ule_instPRUMB66123ExLDUSS - Diploma Universitario in Servizio SocialeitaKeegan, Desmond527853Principi di istruzione a distanza /Desmond KeeganScandicci (Fi) :La nuova ItaliaXXII, 217 p. ;24 cm.Istruzione a distanza.b1187173812-10-1203-01-03991003836369707536LE024 PS EV B VI 4812024000024710le021ex DUSS-E0.00-l- 00000.i1212544103-01-03Foundations of distance education1514325UNISALENTOle02101-01-02ma -itait 01