You are about to send the following abstract:
Ai, J. & Laffey, J. (2003). The Usability test of an Online Learning Environment. In A. Rossett (Ed.), Proceedings of E-Learn 2003--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 1459-1462). Phoenix, Arizona, USA: Association for the Advancement of Computing in Education (AACE).