TY  - BOOK
AU  - YOON Jong-Mo Au.
TI  - Hengbokhan aee songkonghan-neun aee
U1  - Y11:3941, 495P4 
PY  - 2004///
CY  - Seoul
PB  - Jeong Sinkyesa Korea    
KW  -  KL
KW  - Children psychology
ER  -