1.
Intelligent Tutoring Systems for Foreign Language Learning : The Bridge to International Com...
by Swartz, Merryanna L., Yazda...
ISBN: 9783642772047
List Price: $99.00
2.
Intelligent Tutoring Systems for Foreign Language Learning
by L Swartz, Merryanna, Yazdan...
ISBN: 9783642772030
List Price: $24.99