Alfano, C. A. / 2002 / Considering cognition in childhood anxiety : Conceptual, methodological, and developmental issues / Clinical Psychology Review 22 (8) : 1209 ~ 1238 Beck, A. T. / 2005 / The current state of cognitive therapy : A 40-year retrospective / Archives of General Psychiatry 62 (9) : 953 ~ 959 Brook, C. A. / 2008 / Social anxiety disorder : A review of　environmental risk factors / Neuropsychiatric Disease and Treatment 4 (1) : 123 ~ 143 Brumariu, L. E. / 2008 / Mother-child attachment and social anxiety symptoms in middle childhood / Journal of Applied Developmental Psychology 29 (5) : 393 ~ 402 Cakin, M. N. / 2010 / Social anxiety level in Turkish adolescents / European Child & Adolescent Psychiatry 19 (10) : 765 ~ 772