Elliot, H. Pardey, P.G. Webster, B. Valverde, C. Fletcher, A.
Global data bases on national agricultural research systems Report, the impact on national agricultural development - The Hague (Países Bajos) 1986 - p. 235-249
Global data bases on national agricultural research systems Report, the impact on national agricultural development - The Hague (Países Bajos) 1986 - p. 235-249

