Shultz, V.L..
Indexes and markers as perception
and cognition of economic tendencies
// Trends and management.
2013. ¹ 1.
P. 4-5.
DOI: 10.7256/2454-0730.2013.1.62582 URL: https://en.nbpublish.com/library_read_article.php?id=62582
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