Robbins, D. J. (2003). Trade opening and distribution in Colombia a time-series analysis of colombia's seven principal cities. Facultad de Ciencias Económicas y Administrativas.
Chicago-čujuhus (17. p.)Robbins, Donald J. Trade Opening and Distribution in Colombia a Time-series Analysis of Colombia's Seven Principal Cities. Bogotá (Colombia): Facultad de Ciencias Económicas y Administrativas, 2003.
MLA-čujuhus (9. p.)Robbins, Donald J. Trade Opening and Distribution in Colombia a Time-series Analysis of Colombia's Seven Principal Cities. Facultad de Ciencias Económicas y Administrativas, 2003.
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