00686naa#a2200205#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200009400109210005100203215001000254608002700264675011300291700001700404700002400421700002000445856001500465EN\INFRA-M\bibl\3543720240413040351.6##a1998-0744##a20200227b2020####ek#y0engy0150####ca0#aRUS##aRU1#aPopularization and Organization of Skipping Classes in Secondary SchoolseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2020##a4 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aShpetgV. V.#1aOvchinnikovgYu. D.#1aYakuninagV. A.4#anaukaru.ru