TY  - BOOK
AU  - Lee,Kwangwoong
TI  - Why?: the earth 
T2  - Educational science comic
SN  - 9781259009143
U1  - 550 
PY  - 2013///
CY  - Seoul
PB  - YeaRimDang Publishing
KW  - Earth sciences
KW  - Juvenile literature
N1  - Primary
ER  -