Kärnä, P. L., Vesterinen, V.-M., Harmoinen, S., & Aksela, M. (2017). How to Teach Physics and Chemistry? Lessons from Teacher Talk of Two Exemplary Teachers. LUMAT-B: International Journal on Math, Science and Technology Education, 2(4), 16–29. Noudettu osoitteesta https://journals.helsinki.fi/lumatb/article/view/1156