1. The National Library of Israel and OCLC
2. Field of Study and Students' Stratification in an Expanded System of Higher Education: The Case of Israel
3. The Central Bureau of Statistics (Israel). CBS, statistical abstract of Israel 2012. Students in Universities, Academic Colleges and Colleges of Education, by Degree. Table 8.54. Retrieved from http://www1.cbs.gov.il/shnaton63/st08_54.pdf.
4. Central Intelligence Agency (CIA) (2013). CIA World Factbook. Israel. Retrieved from https://www.cia.gov/library/publications/the-world-factbook/geos/is.html.