Čájehuvvojit 1 - 2 oktiibuot 2 bohtosis ohcui Validity and Validation' Aiddostahte ozu
  1. 1
    Almmustuhtton 1969
    Girji
    Lasit oiddohiidda
    Furkejuvvon:
    School Certificate science examination : report on construction, validation and pre-testing procedures : specimen paper.
  2. 2
    Almmustuhtton 1970
    Girji
    Lasit oiddohiidda
    Furkejuvvon:
    Report on 1969 school certificate science examination : report on construction, validation, pretesting procedures and results of 1969 examination.

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