00573nam a2200193Ia 4500 6331 140320s9999 xx 000 0 und d 0-316-66503-7 PK-LaUMT 371.39445 ORW-C Hodges, William S., Jt. Auth. The computer tutor : IBM Personal computer edition Hodges, William S., Jt. Auth.<>Orwig, Gary W. Boston,USA: Little, Brown and Company, 1984. 219 p. EN Computer-assisted instruction Orwig, Gary W. BK 7924 7924 0 0 0 0 01 01 2014-03-20 0 371.39445 ORW-C 7186 2014-03-20 00:00:00 2014-03-20 BK