TY - JOUR AU - Schwab, Susanna PY - 2019 TI - Differentiation in English language teaching coursebooks for primary schools in Switzerland JO - Babylonia - Zeitschrift für Sprachunterricht und Sprachenlernen VL - IS - 1 SP - 88 EP - 94 UR - http://babylonia.ch/de/archiv/2019/nummer-1/schwab/ KW - differentiating instruction KW - heterogeneity ER -