Social and economic changes from primitive societies to modern societies (An analysis of selected communities in Africa) (Sinhala)

Somasundara, J.W.D.2019-06-212019-06-212008https://dl-susl.nsf.gov.lk/handle/1/155446Social SciencesSocial and economic changes from primitive societies to modern societies (An analysis of selected communities in Africa) (Sinhala)ThesisP-G-015PhD07/IND/P/08