1. Z. Barnea, M. Teichman, and G. Rahav(1990 ) [In Hebrew] The Use of Drugs and Alcohol among Israeli Citizens: An Epidemiological Investigation (Tel Aviv, PORI Research Institute).
2. The Scientific Use of Factor Analysis in Behavioral and Life Sciences
3. A. Gandal, and N. Herzernstein(1993 ) [In Hebrew] An Econometric Analysis of Crime in Israel, BA seminar paper, Department of Economics, Hebrew University of Jerusalem, June 1993.