LEUZINGER-BOHLEBER, Marianne. Qualitative und quantitative Einzelfallforschung. Psychotherapie-Wissenschaft, [S. l.], v. 6, n. 2, p. 102–117, 1998. Disponível em: https://psychotherapie-wissenschaft.info/article/view/585. Acesso em: 23 nov. 2024.