Courses / IB IB · 5 coursesIB courses at Texas Tech University Browse course codes and credit hours in the official 2026–27 catalog.Official 2026–27 catalog · Checked 2026-11-05 Find a course in this subject Catalog courses IB 3101Global Learning Strategies1 credit hours IB 3105Cross-Cultural Management Skills1 credit hours IB 4361International Commerce3 credit hours IB 4382International Internship in Business Administration3 credit hours IB 4383Special Topics in International Business3 credit hours