00612nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006901500130008402000240009705000170012110000290013824500650016726000370023230000250026950400320029465000460032665000340037223538BIBL20160527183618.0760722s1975    sp a     b    00010 spa    a 76470449   aSp75-Nov  a8432991031c320ptas0 aLC5915b.S2710aSarramona, Jaime,2Local10aTecnología de la enseñanza a distanciacJaime Sarramona.0 aBarcelonabEdiciones Ceacc1975.  a239 p.bill.c23 cm.  aBibliography: p. [233]-239. 0aCorrespondence schools and courses2Local 0aEducational technology2Local