Brown, L. H., & Roodin, P. A. (2001). Service-learning in gerontology: An out-of-classroom experience. Educational Gerontology, 27, 89-103.

Pinquart, M., Wenzel, S., & Sorensen, S. (2002). Changes in attitudes among children and elderly adults in intergenerational group work. Educational Gerontology, 26, 523-540.