Jędrusek-Golińska, A., K. Szymandera-Buszka, K. Waszkowiak, K. Waszkowiak, M. Goliński, and E. Jędrzejowska. “Attitude to Functional Food Among Elder People from the Wielkopolska Region Based on Their Life Activity - Pilot Study”. Journal of Agribusiness and Rural Development, Vol. 38, no. 4, Dec. 2015, pp. 685-94, doi:10.17306/JARD.2015.73.