Comunicaçao das novas idéias
By: [por] Gordow Whiting e Lytton L. Guimãraes. [Pref. de Manuel Diégues Júnior.
Contributors: Guimarães, Lytton L.
Publisher: Ed. Financeiras
Published: 1969
Place of publication: Rio de Janeiro]
Language: por
Number of pages: 144
Subjects: Diffusion of innovations.; Latin America -- Rural conditions.