CNUCED, 2002, The World of Investment Promotion at a Glance: A Survey of Investment Promotion Practices. AdvisoryServices on Investment and Training, Advisory Studies 17.
(1) الأونكتاد، 2002، The World of Investment Promotion at a Glance: A Survey of Investment Promotion Practices الخدمات الاستشارية بشأن الاستثمار والتدريب، الدراسات الاستشارية، Advisory Studies 17.
CNUCED, 2002, The World of Investment Promotion at a Glance: A Survey of Investment Promotion Practices. AdvisoryServices on Investment and Training, Advisory Studies 17.
(7) الأونكتاد، 2002، The World of Investment Promotion at a Glance:A Survey of Investment Promotion Practices، الخدمات الاستشارية بشأن الاستثمار والتدريب، Advisory Studies 17.