1. Social class, susceptibility and sickness;l Syme SL; LF, Berkman;Am J Epidemiol,1976
2. Indicators of social class: a comparative appraisal of measures for use in epidemiological studies;Soc Sci Med,1982
3. A Baseline health and population assessmentfor the upgrading areas of Amman. Amman: Urban Development Department;Bisharat, L.; Mosley, W.H.; Shorter, F.C.,1980
4. Introduction and methodology;Zurayk, H.; Awn, S.; Ashkar, A.; Asad, M.; Rahhal, S.; Azar, A.,1985
5. Measuring social inequality: occupational classifications and their alternatives;Morgan, M.;Community Med,1983