Hietaranta, Pertti. 2015. “Some Cognitive Aspects of Content and Language Integrated Learning. Considering What It Is and What You Can Do With It”. RiCOGNIZIONI. Rivista Di Lingue E Letterature Straniere E Culture Moderne 2 (4), 201-9. https://doi.org/10.13135/2384-8987/1106.