//-->
Braugersten-Jahrbuch ...
(2008)
The demand and price structure for oats, barley, and sorghum grains
Meinken, Kenneth W., (1953)
Canadian Barley
Harrison, T. J., (1929)
Estimating the yield advantage of high-yielding wheat and maize : the use of Pakistani on-farm yield constraints data
Nagy, Joseph G., (1983)
Developing new agricultural technologies for the Sahelian countries : the Burkina Faso case
Sanders, John Houston, (1990)
Private sector investment in agricultural research in Pakistan
Ahmad, Mumtaz, (1999)