Felea, Maura Gabriela, et al. „Perceptions of Life Burdens and of the Positive Side of Life in a Group of Elderly Patients with Diabetes: A Qualitative Analysis through Grounded Theory”. Revista de Cercetare si Interventie Sociala, vol. 40, martie 2013, pp. 7-20, https://www.rcis.ro/journal/article/view/734-perceptions-of-life-burdens-and-of-the-positive-side-of.