van Zyl, Llewellyn Ellardu, and Chantal Olckers. 2019. “The Mental Health Continuum-Short Form in Organisational Contexts: Factorial Validity, Invariance, and Internal Consistency”. European Journal of Mental Health, December, 230-59. https://ejmh.semmelweis.hu/test/index.php/ejmh/article/view/203.