TY JOUR TI INTHE MAPPING THE POPULATION'S PROVISION WITH SECONDARY EDUCATIONAL INSTITUTIONS IN THE LENINSKY DISTRICT OF THE CITY OF SARANSK KW mapping KW population security KW secondary educational institutions KW geoinformation systems KW city infrastructure JO MOSCOW ECONOMIC JOURNAL AU Anikin, V.V. AU Dolgacheva, T.A. AU Moskaleva, S.A. AU Teslenok, S.A. AU Vavilin, N.A. AU Dolgacheva, A.S. PY 2024 IS 9 PB Electronic science