Steuart, Guy Walter.2012-11-022012-11-0219591959http://hdl.handle.net/10413/7746Thesis (Ph.D.)-University of Natal, Durban, 1959.No abstract available.enCommunity health services--South Africa.Social group work.Health education--South Africa.Theses--Education.The importance of primary social groups for health education.Thesis