New Criterion of Classification of Blessing: Factors of Placing of their Production. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2017 Mar. 31 [cited 2024 May 18];1(9):13-20. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/790