WEST, Lloyd W.; MAHON, Bruce R.; MILES, Fred A. A Hedgehog Evaluation of Two Group Leadership Workshops. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 10, n. 4, 2012. Disponível em: https://cdm.ucalgary.ca/index.php/rcc/article/view/60064. Acesso em: 3 jan. 2026.