4jong 4종(四種)
RO : 4jong MC : 4chong
Year : ?-?
Categories : Traditional Ideas·Religion>Confucianism>Confucian Schools·Terminology
UF :
Sajong Sajongjiseol
Sajongseol
RT :
Hyungnye Yesong
NT :
Cheibujeong Jeongibuche