. . "Sŭng-dŏk"@en . "고" . . "Sung-Dok Ko"@en . . "Sŭng-dŏk Ko"@en . "승덕 고" . "Ko"@en . "승덕" . . "고 승덕" . "Sǔng-dǒk Ko" . "Sǔng-dǒk" . "고승덕" . .