@Article{551989, author = "Lucia Petričková, Klaudia Zusková", title = "Life Satisfaction of Physical Education Teachers in Relation to Teaching One or Two Subjects and to Extracurricular Sports Activities", year = 2017, volume = 16, number = 2, journal = Prace Naukowe Akademii im. Jana Długosza w Częstochowie. Kultura Fizyczna, pages = s. 145-157, }