اﻷونكتاد )٣٩٩١(: &quot; &quot; The rol of GSP in imporving LDCs &apos; access to markets: Some recent developments (TD/B/39(2)/CRP.7), Geneva
UNCTAD (1993): &quot; The role of GSP in improving LDCs &apos; access to markets: Some recent developments &quot; (TD/B/39(2)/CRP.7), Ginebra.