1. Ahmed-Mohamed, K., Fernandez-Mayoralas, G., Rojo-Perez, F., Forjaz, M. J., & Martinez-Martin, P. (2013). Perceived social support of older adults in Spain. Applied Research in Quality of Life, 8(2), 183–200.
2. Ahmed-Mohamed, K., & Rojo-Pérez, F. (2011). Forma de convivencia y redes familiar y de amistad. In F. Rojo-Pérez, & G. Fernández-Mayoralas (Eds.). Calidad de Vida y Envejecimiento. La visión de los mayores sobre sus condiciones de vida (pp. 169–197). Bilbao: Fundación BBVA.
3. Angelini, V., & Laferrère, A. (2013). Friendship, housing environment and economic resources: what influences social network size after age 50?. In A. Börsch-Supan, M. Brandt, H. Litwin, & G. Weber (Eds.). Active ageing and solidarity between generations in Europe. First results from SHARE after the economic crisis (pp. 322–336). Berlin/Boston: Walter de Gruyter GmbH & Co. KG.
4. Antonucci, T. C., & Ajrouch, K. J. (2007). Social Resources. In H. Mollenkopf, & A. Walker (Eds.). Quality of Life in Old Age. International Multi-disciplinary Perspectives (No. 30, pp. 49–64). Dordrecht, The Netherlands: Springer, Social Indicators Research Series.
5. Antonucci, T. C., Ajrouch, K. J., & Birditt, K. S. (2013). The convoy model: Explaining social relations from a multidisciplinary perspective. The Gerontologist, 54(1), 82–92.