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Firms, farms, and the state in Colombia : a study of rural, urban, and regional dimensions of change
Helmsing, A. H. J., (1986)
Competitive response, innovation and creating an innovative milieu: the case of manufacturing industry in Bulawayo, Zimbabwe
HELMSING, A.H.J., (1999)
Economic structure, trade and regions
HELMSING, A.H.J., (1984)