info:oai:uzindex.com:3755info:ofi/fmt:xml:xsd:journalSayfullayevaG.I.Sayfullayeva, G.I.NorqulovaM.H.Norqulova, M.H.Barqaror Taraqqiyot va Rivojlanish Tamoyillari12-163 August 20242OSMON SFERASI UNING ASOSIY NUQTA, CHIZIQ VA AYLANALARIGA DOIR MASALALAR YECHISH METODIKASI8article