@incollection{, 54182F8C9F1D39EBFBCD79AD272EAFFA , author={{Dinebari} and {University of Port Harcourt, Choba, Rivers State, Nigeria}}, journal={{Global Journal of Human Social Sciences}}, journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS, address={Cambridge, United States}, publisher={Global Journals Organisation}1431721 } @book{b0, , title={{}} , author={{ Barbon }} , year={1696} } @book{b1, , title={{}} , author={{ DavidRicardo }} 1821. P 179-224 } @book{b2, , author={{ DavidRicardo }} , title={{Principles of political economy}} , year={1917} } @book{b3, , title={{Ernest mandel: an introduction to Marxist economic theory}} , year={1976} , publisher={Pathfinder Press} , address={New York NY 10014} , note={410 west street} } @book{b4, , title={{}} , author={{ JohnLocke }} , year={1777} } @book{b5, , title={{}} , author={{ K:-DadMarx } and { Dapital }} , year={1887} } @book{b6, , author={{ KarlMarx }} , title={{Theories of Surplus Value}} 1 } @book{b7, , title={{Marxismens Politiske ekonomein introduction}} , author={{ PeterDencik } and { LarsHerlitz } and { Ba } and { Lundrall }} , year={1969. 1969} } @book{b8, , title={{}} , author={{ KarlSelected Works Of } and { FredericMarx } and { LawrenceEngels } and { Ltd }} , year={1977} , publisher={progress Publisher} , address={Moscow USSR} }