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?:linkContext
  • Manfield M. AAPOR Stan dards Com mit tee Study of Val i da tion Prac tices: Pi lot Study of De signs, In tro duc tions, Ques tions and Prac tices // Pub lic Opin - ion Quar terly. -1971-1972. -ยน 4. -P. 627-635. (xsd:string)
?:linkSource
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?:mainEntity
?:name
  • Manfield, M. (1971). AAPOR Stan dards Com mit tee Study of Val i da tion Prac tices: Pi lot Study of De signs. In tro duc tions, Ques tions and Prac tices // Pub lic Opin - ion Quar terly, pp. 1-4. (xsd:string)
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rdf:type