THE FORMATION CONCEPTUAL BASIS OF ACCOUNTING POLICY FOR DEFERRED REVENUE IN ACCORDANCE TO IFRS 15 «REVENUE FROM CONTRACTS WHITH CUSTOMERS». Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2021 Sep. 30 [cited 2024 May 2];3(27):22-8. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/688