PORT 489: Theoretical Foundations of SLA PORT University of Illinois at Urbana-Champaign 3.0 credits Course Description Same as FR 481, GER 489, ITAL 489, LING 489 and SPAN 489. See LING 489. Reviews Sign in to Review Login to Review Most Recent Most Helpful Highest Rated Lowest Rated No reviews yet. Be the first to share your experience! Sign in with Google Login to Review