1. E. Ben-Rafael, E. Yaar (academic editors) The Sociology of the Kibbutz An Open University course (12 units) Tel-Aviv: The Open University Press (Heb), 8 vol. 1990-3

2. E. Ben-Rafael, E. Yuchtman-Yaar, “Stratification in the Kibbutz” unit 5 in ibid ..

3. E. Ben-Rafael et al. “The Limits of Equality” unit 12, in ibid ..

4. E. Ben-Rafael, E. Yuchtman-Yaar, Z. Soker (2000) The Kibbutz and Israeli Society , unit 11 . Tel-Aviv: The Open University

5. E. Ben-Rafael and Z. Soker (2000) The End of the Kibbutz? unit 13 . Tel-Aviv: The Open University