00604naa#a2200169#i#450# EN\\bibl\23557 20240808171953.4 2541-822X 20181227b2018####ek#y0engy0150####ca RUS RU THE RELAY IS IN THE STYLE OF «ECO». A methodology for conducting extracurricular activities on ecology Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2018 3 с. Journal article local Zhukova Irina A. naukaru.ru