00909cam a2200265 a 450000100060000000300070000600500170001300800410003002000150007103500190008603500180010504000160012304100080013905000240014710000170017124500750018826000340026330000200029749000450031750400680036265000290043065000280045995201390048799900170062645462URCABC20220428081217.0011120c19971995enka          001 0 eng d  a0415127998  a(janium) 45369  a(janium)45363  aURCABCbspa0 aeng 4aLB1050b.B3 T4 19971 aBates, Tony,10aTechnology, open learning and distance education  /cA. W. Tony Bates.  aLondon  bRoutledge, cc1997.  a266 p.  bill.  0aRoutledge studies in distance education.  aIncluye referencias bibliográficas (p. [250]-255) e índice.14aEducación a distancia.14aTecnología educativa.  00102lcc40708AGaURBCbURBCcREST1d2022-04-28eDonaciónl0oLB1050 B3 T4 1997 p0090344r2022-04-28 00:00:00w2022-04-28yLIBRO  c32417d32417