1. Why aren't students with severe disabilities being placed in general education classrooms? Examining the relations among classroom placement, learner outcomes, and other factors;Research and Practice for Persons with Severe Disabilities,2020
2. Analysis of barriers to inclusive schools in Germany: Why special education is necessary and not evil;Education Sciences,2020
3. The impact of Article 24 of the CRPD on special and inclusive education in Germany, Portugal, the Russian Federation, and Netherlands;On educational inclusion: Meanings, history, issues and international perspectives,2020