Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Demidova, S.I', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Innovations in science, and mathematics education in schools in the Soviet Union

    Cyhoeddwyd 1987
    Llyfr

    Innovations in science, and mathematics education in schools in the Soviet Union
  2. 2

    Science and Mathematics Education in the General Secondary School in the Soviet Union gan Demidova, S.I

    Cyhoeddwyd 1986
    Llyfr

    Science and Mathematics Education in the General Secondary School in the Soviet Union

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