Учимся говорить и писать : лексико-орфографический минимум для начальной школы = Learning to speak and write: a lexical and spelling minimum for elementary school / Е.Н. Леонович
Language and languages -- Study and teaching/Language and education/Language and languages/Communication/Sociology/Social sciences/Civilisation
Russian language -- Orthography and spelling/Slavic languages, Eastern