Tanasiichuk, Alona, Olha Hromova, Oksana Yaremenko, Svitlana Kovalchuk, and Svitlana Sirenko. “Analysis of Methodological Approaches Towards Assessing Conditions of International Commodity Markets Convergence”. European Journal of Sustainable Development 10, no. 3 (October 1, 2021): 214. Accessed August 20, 2022. http://ecsdev.org/ojs/index.php/ejsd/article/view/1247.