Jakobsen, G., & Torp, J. E. (2001). Understanding business systems in developing countries. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Jakobsen, Gurli, agus Jens Erik Torp. Understanding Business Systems in Developing Countries. New Delhi ; Thousand Oaks: Sage Publications, 2001.
Lua MLA (8ú heag.)Jakobsen, Gurli, agus Jens Erik Torp. Understanding Business Systems in Developing Countries. Sage Publications, 2001.
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