- دخول طالبي اللجوء (وهي حالات يعسر فيها التمييز بين ما يتعلق منها بالدخول القصير الأجل والدخول الطويل الأجل)
The diversity of sources will be apparent and it should be pointed out in this regard that two a priori similar sources may produce widely differing data for the measurement of international migration flows and stocks of migrants.