Śmietanka, T. 2022. CO-OPETITION AND “CO-OPETITIVENESS” AS A DISTRICT-COMMUNE RELATIONSHIP AND PROSPECTS FOR SELF-GOVERNMENTAL PARTNERSHIP. Zeszyty Naukowe UPH seria Administracja i Zarządzanie. 58, 131 (Oct. 2022). DOI:https://doi.org/10.34739/zn.2022.58.03.