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, Mar. 2013, pp. 7-20, https://www.rcis.ro/journal/article/view/734-perceptions-of-life-burdens-and-of-the-positive-side-of.