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Publisher: Non-profit joint-stock company "L.N.Gumilyov Eurasian National University"
ISSN: 2616-7263, eISSN: 2663-1261
Abduramanov A. A., Abirov A. A., Abashev A. A., Kaliyeva Z. E., Userbayev M. T.
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Balabekova K.
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