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Socio economic perspectives in early medieval India
Srivastava, Surabhi, (2015)
Arab seafaring in the Indian Ocean in ancient and early medieval times
Hourani, George Fadlo, (1951)
Kapitalizm v Pakistane : istorija socialʹno-ėkonomičeskogo razvitija ; (seredina XIX - 80-e gody XX v.)
Belokrenickij, Vjačeslav Ja., (1988)