Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio 'Research Triangle Institute', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    Survey measurement of drug use : methodological studies /
    Llyfr
    Cyhoeddwyd 1992
    “...Research Triangle Institute...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  2. 2
    Perinatal depression : prevalence, screening accuracy, and screening outcomes /
    Llyfr
    Cyhoeddwyd 2005
    “...Research Triangle Institute-University of North Carolina Evidence-based Practice Center...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  3. 3
    Report of the 1977 National survey of science, mathematics, and social studies education /
    Llyfr
    gan Weiss, Iris R.
    Cyhoeddwyd 1978
    “...Research Triangle Institute. Center for Educational Research and Evaluation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
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