STAMM, M. Ricking, Heinrich (2003). Schulabsentismus als Forschungsgegenstand. Swiss Journal of Educational Research, [S. l.], v. 26, n. 1, 2004. DOI: 10.24452/sjer.26.1.5365. Disponível em: https://sjer.ch/article/view/5365. Acesso em: 22 nov. 2024.