Lewis Aptekar has acquired in-depth experience and familiarity with the issues, problems and conditions commonly plaguing displaced persons. This includes both internally-displaced persons (those who have not crossed international borders), and refugees (those seeking relief outside their nations of origin). Some of the more common questions posed about refugees. Some books of Lewis Aptekar you should read https://www.amazon.com/Books-Lewis-Aptekar/s?ie=UTF8&page=1&rh=n%3A283155%2Cp_27%3ALewis%20Aptekar
