Survei opini publik: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
Baris 185:
== Pranala luar ==
* {{en}} [http://www.aapor.org//AM/Template.cfm?Section=Home American Association For Public Opinion Research]
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Baris 185:
== Pranala luar ==
* {{en}} [http://www.aapor.org//AM/Template.cfm?Section=Home American Association For Public Opinion Research]
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