Samuelsson, Marcus, m.fl. ”Tracing the Development and Patterns of Sloyd teachers’ Efficacy Beliefs over the Course of Their Careers”. Techne Serien - Forskning I slöjdpedagogik Och slöjdvetenskap, vol. 22, nr 1, februari 2015, https://journals.oslomet.no/index.php/techneA/article/view/819.