In this article, references [51–54] were added in error. Reference [32] also contained an error:
[32] NBK, Daily Official (Market) Foreign Exchange Rates, Natl. Bank Kazakhstan, 2023.
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The correct version should be as below:
[32] NBK, Daily Official (Market) Foreign Exchange Rates, Natl. Bank Kazakhstan, 2023. https://nationalbank.kz/en/exchangerates/ezhednevnye-oficialnye-rynochnye-kursy-valyut/report?beginDate = 31.03.2023&endDate = 31.03.2023&search-exchanges = &rates%5B%5D = 5.
[51] M. Widenius, MariaDB Server: The open source relational database, (2023).
[52] P. Webb, A. Wilkinson, Why Spring?, (2023).
[53] J. Walke, The library for web and native user interfaces, (2023).
[54] OpenLayers, A high-performance, feature-packed library for all your mapping needs, (2023).
The authors apologize for the errors.
Declaration of competing interest
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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Timoth Mkilima, Email: tmkilima@gmail.com.
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