TY  - BOOK
AU  - Yoon, Sang-Seok , 
AU  -  Ko,  Insung, 
TI  - Power up Korean vocabulary / 
SN  - 9788976418791
U1  - 495.78 23
PY  - 2015///.
CY  -  Seoul : 
PB  - Korea University Press, 
KW  - Vocabulary Books
ER  -