Structured or Unstructured Techniques?

Walters, J. Hart 〈Jr〉

New York : Periodicals Archive Online (PAO)
Published 1961

ISSN:	0022-2429
Topics:	Economics
URL:	http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3142-1961-025-04-000013