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  1. 1

    Effects of the use of videotapes on biology students achievement, retention and attitude towards science av De Gulan, Ma. Victoria R.

    Publicerad 1999
    Lärdomsprov

    Effects of the use of videotapes on biology students achievement, retention and attitude towards science
  2. 2

    Students' achievement in ecology in relation to their perceptions of teacher performance and subject difficulty av Japos, Neria Tagaro

    Publicerad 1985
    Lärdomsprov

    Students' achievement in ecology in relation to their perceptions of teacher performance and subject difficulty

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