How does social change occur?

ग्रंथसूची विवरण
मुख्य लेखक:	Beal, George M. (लेखक)
स्वरूप:	Analytics
भाषा:	English
प्रकाशित:	Ames, Iowa Cooperative Extension Service, Iowa State University 1958.
विषय:	Social science. Progress. Social change.