1. The Gap between: present farm yield and the potential: major constraints and possible solutions: fifth Cereals Workshop, Algiers, Algeria, May 5-9, 1979
پدیدآورنده :
کتابخانه: كتابخانه مركزي كشاورزى (طهران)
موضوع : $AAgriculture$BEconomic aspects -- Developing countries -- Congresses,$AAgriculture$BResearch -- Developing countries -- Congresses
رده :
HD
1405
.
C4
1979