Safiulina, Elena2021-05-212021-05-212021-05-21https://dspace.tktk.ee/handle/20.500.12863/3435Explore the cross-sections of a sphere using geogebra (VirStem project).enAutorile viitamine + Mitteäriline eesmärk + Jagamine samadel tingimustel 4.0 RahvusvahelineTTK Subject Categories::Mathematics, Sciences, and Graphics::Engineering GraphicsKõik erialadinteraktiivne harjutus