00593naa#a2200181#i#450# EN\\bibl\20394 20241204085831.3 2312-4431 20180525b2018####ek#y0engy0150####ca RUS RU USE OF TECHNOGENIC SANDS IN PRODUCTION OF CONCRETE Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2018 3 с. Journal article local Kramarenko Arkady V. Krasilnikova Oksana A. zh-szf.ru