risk, m. m. (1992). economic efficiency and resource productivity on small broiller farms in saudi arabi. the institute of national planning.
Chicagoスタイル(17版)引用形式risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. cairo: the institute of national planning, 1992.
MLA(9版)引用形式risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. the institute of national planning, 1992.
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