El sistema de trabajo en la oficina local de extension agricola
By: [by Karl Knaus]
Contributors: United States. Agency for International Development. Bureau for Technical Assistance
Edition: 2nd Spanish ed.
Series: [Agriculture information bulletin -- no. 28S]; Agriculture information bulletin -- no. 28S.
Published: 1963
Place of publication: Mexico
Language: spa
Number of pages: 30
Subjects: Agricultural education; Agricultural extension work; County agricultural agents; Extension education; Extension agents