Aarnio-Linnanvuori, E. (2013) ”Environmental Issues in Finnish School Textbooks on Religious Education and Ethics”, Nordidactica. Journal of Humanities and Social Science Education, 3(2013:1), s. 131–157. Tillgänglig vid: https://journals.lub.lu.se/nordidactica/article/view/18947 (åtkomstdatum: 15 juni 2025).