Quote
C. Ziegler, D. Richter, and V. Hartung-Beck, “Trends in the Proportion of Non-Subject-Specific Instruction in Berlin Schools,” *Die Deutsche Schule*, vol. 111, no. 14, Supplement, pp. 121–139, 2019, doi: 10.31244/dds.bh.2019.14.08
References and Relationships
DOI 10.31244/dds.bh.2019.14.08