Ludwig, C. (2012). “Introduction”, In: C. Ludwig, S. Kersten, D. Meer & B. Rüschoff (Hrsg.), Language Learning and Language Use - Applied Linguistics Approaches - Selected Papers from the 3rd Junior Research Meeting of Applied Linguistics (S.5-8). Duisburg: Universitätsverlag.
Ludwig, C. (2012). “Learner Autonomy – My personal success story!”, In: A. Barfield & N. Delgado (Hrsg.), Autonomy stories revisited (S.1-10). Canterbury: IATEFL.
“The learners’ perception of autonomy and constraints: a case study”
Ludwig, C. (2012). “The learners’ perception of autonomy and constraints: a case study”, In: K. Heim & B. Rüschoff (Hrsg.), Involving Language Learners: Success Stories and Constraints (S.173-186). Duisburg: UVRR.