"楊永南" . "Yŏng-nan"@en . "Yŏng-nan Yang"@en . "양영란" . "Yong-nan Yang" . "양 영란" . "Yong-nan" . . . "양영란" . "Yang"@en . . "양영란" . "양 영란" . "楊永南" . . .