Ballesteros, R. F., Robine, J. M., Walker, A., & Kalache, A. (2013). Active Aging: A Global Goal. Current Gerontology and Geriatrics Research, 2013(), 56-59. https://doi.org/10.1155/2013/298012
Fries, J. F. (2012). The Theory and Practice of Active Aging. Current Gerontology and Geriatrics Research, 2012(), 207-213. https://doi.org/10.1155/2012/420637
Kruse, A., & Schmitt, E. (2012). Generativity as a Route to Active Ageing. Current Gerontology and Geriatrics Research, 2012(), 244-252. https://doi.org/10.1155/2012/647650