00513naa#a2200169#i#450# EN\\bibl\14411 20240505105926.7 1999-8775 20161228b2016####ek#y0engy0150####ca RUS RU METHODOLOGICAL PROBLEMS IN RESEARCHES OF ECOLOGICAL-ECONOMIC PROCESSES Journal article Bryansk Bryansk State Technical University 2016 9 с. Journal article local Dergacheva Elena Aleksandrovna bstu.editorum.ru