The primary sector in economic development Proceedings of the seventh arne ayde symposium frotavallen,august29-30,1983 - Lundahl m Ed.; ARNE RYDE (SYMPOSIUM (7th)(Frostavallen)(1983); ARNE RYDE (SYMPOSIUM (7th)(Frostavallen)(1983) (London Groom Helm, 1985)
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Keywords: Social Personallity