00652naa#a2200193#i#4500001002200000005001700022011001400039100004100053102000700094200009300101210005100194215001000245608002700255675010000282700001700382700002400399700002000423856001500443EN\INFRA-M\bibl\3475320240424213840.3##a2500-0489##a20191225b2019####ek#y0engy0150####ca##aRU1#aHealth-saving education as a factor of additional education of childreneJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a5 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50#1aShpetgV. V.#1aOvchinnikovgYu. D.#1aYakuninagV. A.4#anaukaru.ru