Osipov Yu.V., Safina G.L., Kirianova L.V. «ANALISYS OF PATTERNS IN MATHEMATICAL TESTS» // Open and distance education 2017. №4(68) C.17-24
Vetuhnovskii F.Ya., Osipov Yu.V., Safina G.L. «Modeling mathematics tests» // Open and distance education 2016. №3(63) C.69-77
