Łukasiewicz, Jacek, and Rafał Łukasik. “THE MEANING OF LIFE OF PEOPLE ADVANCED IN YEARS”. Scientific Journal of Polonia University 12, no. 1 (March 16, 2015): 75-132. Accessed May 19, 2024. http://pnap.ap.edu.pl/index.php/pnap/article/view/44.