235- Siegel, A.W. & White, S. H.; The development of Spatial representations of large-scale environments, "in": H.W. Reese "Ed.". Advances in child development and behavior, vol. 10. New York: Academic Press. 1989.
236- Siglor, R.S.; Children's thinking "2nd ed.". Englewook cliffs., N.J.: prentice Hall.
237- Singer, J.; The Child's world of make-believe. New York: Academic, Press, 1989.
238- Sommer, B. B., Puberty and adolescence, New York: OxFord univesity press, 1990.
239- Sokolov, Y.N.; Perception and conditioned reflex. New York: Pergamon Press, 1983.
240- Sperry, R.W.; Left-brain, right-brain. Saturday Review, 1975, 30- 33.
241- ----------, Mechanisms of neural maturation "in": S.S. Stevens "Ed."; Handbook of experimental Psychology. New York: wiley, 1971,236-258.
242- Spitz, R.; The first year of life. New York: International university Press, 1965.
243- Sroufe, L.A.; Wariness of Strangers and the study of infant development. Child Development, 1977, 48, 731-746.
244- Staub, E.; Cultural-Societal roots of violence. American Psychologist, 1996, 51, 117-132.
245- Stewart, A. & Koch, J.: Children development through adolescent. New York: John wiley. INC, 1983.
246- Sugarman, B.; The school and moral development. London: Groon Helm LTD, 1973.
247- Tanner, J.M.; Physical grwoth. "in": P.H. Mussen "Ed.": Carmichael's manual of child Psychology, New York: Wiley, 1970.
248- Tronick, E.Z.; Emotions and emotional communication in infants American Psychologists, 1989, 44, 112-119.
249- Turiel, E.; Developmental Processes in the child's moral