PDF(127 KB)
China's Grain: Challenges & Productivity Potentials in the 21st Century
Xi Kang CHEN;Xiao Ming PAN
Systems Engineering - Theory & Practice ›› 1999, Vol. 19 ›› Issue (12) : 132-137.
PDF(127 KB)
PDF(127 KB)
China's Grain: Challenges & Productivity Potentials in the 21st Century
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