Kaczmarczyk, P. (2021) “THE MULTIPLE REGRESSION MODEL WITH DICHOTOMOUS VARIABLES IN ANALYSIS OF MULTI-SECTIONAL DEMAND FOR CONNECTIVITY SERVICES – APPROACH BASED ON PER SECOND BILLING”, Acta Scientiarum Polonorum. Oeconomia, 20(2), pp. 47-57. doi: 10.22630/ASPE.2021.20.2.15.