00579nam a2200193Ia 4500 85595 BIBL 20160527203804.0 760722s1975 sp a b 00010 spa LC5915 .S27 374.4 S247e Sarramona, Jaime, 165441 Local La enseñanza a distancia Jaime Sarramona. Barcelona Ediciones Ceac 1975. 215 p. ill. Bibliography: p. [209]-215. Correspondence schools and courses 81059 Local Educational technology 90551 Local 69547 69547 0 0 0 374_400000000000000_S247E 0 evl 366001 10 10 1 2016-05-27 136117 0 374.4 S247e 80000000587546 2016-05-27 00:00:00 r:85595 z:NCC:D 6