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Louis Guttman on theory and methodology : selected writings
Guttman, Louis, (1994)
Structure and level of values for rewards and allocation criteria in several life areas : report on a preliminary survey in Isreael ; designed according to the "Mannheim II common-core mapping sentence" developed by the Working Group on Values and Social Problem Indicators for Contemporary Europe (initiated by the European Foundation)
Levy, Shlomit, (1979)
The conical structure of adjustive behavior
Levy, Shlomit, (1989)