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Markedsorientering Yemen
(1991)
Markedsorientering Nordyemen
(1989)
Yemen's revealed comparative advantage vis-á-vis both the EU and the USA
Obadi, Saleh Mothana, (2012)
Indo-Yemen trade relations : past and present
Mulassi, H. S. al, (1994)
Composition and direction of the Yemeni foreign trade
Mulassi, H. S. al, (1997)