1.
JAKUBOWSKA, Klaudia Olga, SYKUT, Anna, ŁOPUSZYŃSKA, Marta, KROPORNICKA, Beata and KOŚCIOŁEK, Aneta. Life quality of patients with chronic obstructive pulmonary disease. Journal of Education, Health and Sport. Online. 30 August 2017. Vol. 7, no. 9, pp. 33-44. [Accessed 15 January 2025].