Górna-Łukasik, Krystyna, and Marzena Grzybowska. 2020. “Active Life Style in Senior Age - How to Live Healthily and Wisely – Longevity in a Good European Style”. Acta Salus Vitae 8 (2):56-69. https://doi.org/10.58743/asv2020vol8no2.241.