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Shevchenko S., Baranov P. |
Analysis of colored gems` world market and the importance of leading companies` strategies for creating civilized trading |
Tatarintsev V., Vyshnevska L., Kormakova K. |
Reliability of data in the diamond trade. Part I. Analysis of international diamond classifying experience in terms of the formation of consumer confidence to gemmological laboratories |
Guliy V., Luis J., Borniak U., Stepanov V. |
Alabaster of Aragon: the past, the presesent and the future |
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