EDUCATION INDEX CD-ROM 

 - EUA :  H. W. Wilson 
 - 1993 (6/83-12/31/90,6/83-3/31/91,6/83-12/26/91,6/83-9/30/91 dup.,6/83-9/24/92,6/83-6/25/92,6/83-12/31/92,6/83-2/2/93, 1994 (6/83-12/30/93 ene.,6/83-1/27/94 feb.,6/83-2/24/94 mar.,6/83-3/31/94 abr.,6/83-4/28/94 may.)