Donachie, Tracy ORCID: https://orcid.org/0000-0001-5697-2974 and Martindale, A. (2013) The effectiveness of a positive psychology intervention on optimism levels in female soccer players. In: Scottish Network of Sport Psychology, May 2013, Stirling, UK. (Unpublished)

Donachie, Tracy ORCID: https://orcid.org/0000-0001-5697-2974 and Martindale, A. (2011) The effectiveness of a positive psychology intervention on optimism levels in female soccer players. In: The 16th International Conference of the Association of Psychology and Psychiatry for Adults and Children, 17-20 May 2011, Athens, Greece. (Unpublished)