New Criterion of Classification of Blessing: Factors of Placing of their Production. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2023 Feb. 17 [cited 2025 May 10];1(9):13-20. Available from: https://www.echas.vnu.edu.ua/index.php/echas/article/view/3