KAKLAUSKAS, L. EXPERIMENTAL RESEARCH OF SERVICE SYSTEM. PROFESSIONAL STUDIES: Theory And Practice, [S. l.], v. 24, n. 9, p. 50–53, 2022. DOI: 10.56131/pstp.2021.24.9.32. Disponível em: https://ojs.svako.lt/PSTP/article/view/32. Acesso em: 17 mai. 2024.