Jeong, Ok-bun (鄭玉粉)  [1947- ] <br/><br/>
청년심리학 = Adolescence / 
 Youth psychology 
Okbun Jeong. 
 - 2nd ed. 
 - Seoul:  Hakji Branch,  2015 
 - 628 p. :  ill. (some natural colors), diagrams, ports. ;  27 cm. 
<br/><br/>References (p. 579-624) and index. 
<br/><br/><label>ISBN: </label>9788999700057 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Youth--Psychology
<br/><br/><label>Dewey Class. No.: </label>155.5