 | 168 páginas
4 Neville Farquharson , " ABC of Vegetable Farming " , A Draft High School Textbook , Vols . I , II , III and IV , February 1979 No . ... I . E . Johnson , " Agricultural Extension Service in Jamaica " , March 1979 1979 - 1980 No . | |
 | 164 páginas
4 Neville Farquharson , " ABC of Vegetable Farming " , A Draft High School Textbook , Vols . I , II , III and IV , February 1979 No ... I . E . Johnson , " Agricultural Extension Service in Jamaica " , March 1979 1979 - 1980 No . III . | |
 | 92 páginas
a ) f ) Manual of Farm Management Cases . Author : Dr. José Marull , Project 39 , Southern ... He will come to Turrialba in order to finish the job . e ) Text on Agricultural Extension . Authors : several . Editor : Dr. Fernando del Rio ... | |
| |