Eckhardt, W., & Azar, E., 1978, 'Major world conflicts and interventions, 1945 to 1975' , International Interactions, No. 5, pp. 75-110.
2.
Eckhardt, W., & Köhler, G., 1977, 'Behavioral and structural violence in the 20th century' . Paper presented at the Grindstone School for Peace Research, Education, and Action; Portland, Ontario, August 1977.
3.
Freire, P., 1970, Pedagogy of the oppressed. New York : Herder.
4.
Kent, G., 1977, 'Peace Education: Pedagogy of the Middle Class', Peace and Change, 4 (3), pp. 37-42.