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Sayfiddinova N. YECHIB BO‘LMAYDIGAN MASALA: MASHHUR MATEMATIK MUAMMOLARNING QISQACHA TARIXI. ERUS [Internet]. 2023 Jun. 14 [cited 2024 Nov. 22];2(4 SPECIAL):1072-5. Available from: http://erus.uz/index.php/er/article/view/3012