Gusuryak
구수략(九數略)
RO :
Gusuryak
MC :
Kusuryak
Year :
?-?
Categories :
Book Names
Book Names>Types>Natural Sciences>Mathematics
Book Names>Periods>Joseon Period>Late Joseon
RT :
Cheonhakchoham
Choe Seok-jeong
Mabangjin