Description
Published:Vol. 45, no. 5 (May 1991)-v. 55, no. 4 (Apr. 2001)
Item Description:Title from cover.
Physical Description:1 online resource
Publication Frequency:Monthly
Related Items:Has supplements, <1998->: ASTD state of the industry report; <winter 2000-2001->: Performance in practice; ASTD international comparisons report.