Public opinion its formation, measurement, and impact

ग्रंथसूची विवरण
अन्य लेखक:	Welch, Susan, Comer, John
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Palo Alto, Calif. Mayfield c1975.
विषय:	Public opinion. Public opinion polls.