How reliable are telephone opinion polls

How reliable are telephone opinion polls

Sonraí bibleagrafaíochta
Foilsithe in:Philippine Daily Inquirer (28 Aug. 1999), D8
Príomhchruthaitheoir: Sicam, Edmund L.
Formáid: Alt
Teanga:English
Foilsithe / Cruthaithe: 1999
Ábhair:
Telephone surveys