MÜLLER, Anetta; BÁCSNÉ BÁBA, Éva; PFAU, Christa Sára; BARTHA, Éva Judit; MOLNÁR, Anikó; PETŐ, Károly. MARKETING ACTIVITIES OF FITNESS SERVICE PROVIDERS IN THE NORTHERN GREAT PLAIN REGION. Acta Carolus Robertus, [S. l.], v. 10, n. 2, p. 117–136, 2020. DOI: 10.33032/acr.2481. Disponível em: https://journal.uni-mate.hu/index.php/acr/article/view/2481. Acesso em: 5 dec. 2025.