00602naa#a2200193#i#450# EN\\bibl\83089 20241121170241.4 2782-1900 20210323b2021####ek#y0engy0150####ca RU Obtaining magnetite recovery iron-containing waste Journal article Yaroslavl Yaroslavl State Technical University 2021 6 с. Journal article local Синтез. 54.057 Kalayeva Sahiba Ziyaddin kizi Markelova Nadezhda Leonidovna Makarov Vladimir Mihaylovich chemintech.ru