韩国电影格斗术剧情介绍:5.奴隶的平均价格:Ralph A. Austen, “The Trans-Saharan Slave Trade: A Tentative Census.” The Uncommon Market: Essays in the Economic History of the Atlantic Slave Trade, ed. Henry A. Gemery and Jan S. Hogendorn (1979): 23-73,其中31页提及努比亚在奴隶贸易中的付出,44—45页提及伊斯兰世...