TY  - BOOK
TI  - à¸§à¸à¸à¸£à¹à¸¥à¸°à¸à¸²à¸£à¸à¸à¸¥à¸­à¸à¸à¸´à¸§à¹à¸¡à¸à¸´à¸
U1  - 621.51 
PY  - 2530///
CY  - à¸à¸£à¸¸à¸à¹à¸à¸à¸¯
PB  - à¹à¸ªà¸£à¸´à¸¡à¸§à¸´à¸à¸¢à¹à¸à¸£à¸£à¸à¸²à¸à¸²à¸£
KW  - à¸à¸´à¸§à¹à¸¡à¸à¸´à¸à¸ªà¹
ER  -