Malik, Małgorzata, Danuta Zarzycka, Joanna Iłżecka, and Mirosław J. Jarosz. 2009. “The Value of Health As a Motivating Factor for Health-Promoting Activities”. Polish Journal of Public Health 119 (1): 33-39. https://czasopisma.umlub.pl/pjph/article/view/2143.