risk, m. m. (1992). economic efficiency and resource productivity on small broiller farms in saudi arabi. the institute of national planning.
Citação do estilo Chicago (17ª ed.)risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. cairo: the institute of national planning, 1992.
Citação MLA (9ª ed.)risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. the institute of national planning, 1992.