CGIAR study paper
World Bank
Study paper (Consultative Group on International Agricultural Research)
Rigoberto Stewart
World Bank c1985 CGIAR study paper no. 4
: pbk
Available at 2 libraries
Alain de Janvry, Jean-Jacques Dethier
World Bank c1985 CGIAR study paper no. 1
Available at 1 libraries
Michael Lipton with Richard Longhurst
World Bank 1985 CGIAR study paper no. 2
pbk.
Available at 3 libraries
Barry Nestel
World Bank c1985 CGIAR study paper no. 10
Available at 4 libraries
Carl E. Pray, Jock R. Anderson
World Bank c1985 CGIAR study paper no. 8