00641naa#a2200193#i#450# EN\\bibl\110546 20260118132905.7 2073-5529 20251215b2025####ek#y0engy0150####ca RU Integrated koi carp cultivation using floating beds Journal article Astrakhan Astrakhan State Technical University 2025 6 с. Journal article local Рыбоводство (разведение рыб). 639.3 Pronina Galina Iozepovna Zhigin Alexey Vasilevich Korochensky Ivan Alexandrovich vestnik.astu.org