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South of the Sahara : development in African economies
Schatz, Sayre P., (1972)
African diplomacy : studies in the determinants of foreign policy
McKay, Vernon, (1966)
Ėkonomika i vnešnjaja torgovlja stran Afriki : Suslin, P(etr) N(ikolaevič)
Suslin, Petr Nikolaevič, (1964)