Extensi on agri cola
Subtitle: principios y te cnicas
By: [por] Herna n Fri as Mora n, Jorge Ramsay Arce [y] Luis Ramiro Beltra n.
Contributors: Ramsay A., Jorge; Beltra n, Luis Ramiro.
Edition: [2. ed.]
Series: Textos y materiales de ensen anza -- no. 8.; Textos y materiales de Ensen anza -- no. 8.
Publisher: Instituto Interamericano de ciencias agricolas de la OEA
Published: 1966
Place of publication: Lima, Peru
Language: spa
Number of pages: 604
Subjects: Agricultural extension work.
Notes: Bibliography: p. 599-604.