Kim, Cheongsong (金靑松) [1965- ] 청소년심리학의 이론과 쟁점 = Adolescent psychology / Theories and issues of youth psychology. Cheongsong Kim. - Seoul: Hakji Branch, 2009. - 502 p. : ill. ; 26 cm. References (p. 493-497) and index. ISBN: 9788963300597 (pbk.) Subjects--Topical Terms: Youth--Psychology Dewey Class. No.: 155.5