Krishan Jain, H. Webster, B. Valverde, C. Fletcher, A.
The changing perspectives of national and international agricultural research for 2000 A.D. Report, the impact of research on national agricultural development - The Hague (Países Bajos) 1986 - p. 229-233
The changing perspectives of national and international agricultural research for 2000 A.D. Report, the impact of research on national agricultural development - The Hague (Países Bajos) 1986 - p. 229-233