Bibliografía sobre extensión agrícola.
By: Dirigió: Eduardo  Ferreira Sobral.
Contributors: Ferreira Sobral, Eduardo F.
Series: Its Serie bibliográfica,; t. 5
Published: 1966
Place of publication: [Pergamino
Language: spa
Number of pages: 225
Subjects: Agricultural extension work -- Bibliography.
Genres: Bibliography.
Other titles: Extension bibliography.
Notes: Added t.p.: Extension bibliography.
Introd. in Spanish and English.