KACZMARCZYK, P. STATISTICAL ANALYSIS OF DEMAND FOR TELECOMMUNICATIONS SERVICES FOR FORECASTING PURPOSES – STUDY OF THE IMPACT OF FACTORS NOT ARISING FROM THE CALENDAR. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 18, n. 1, p. 21–31, 2019. DOI: 10.22630/ASPE.2019.18.1.3. Disponível em: https://aspe.sggw.edu.pl/article/view/216. Acesso em: 22 nov. 2024.