"researcher"@en . . "Pak Chung Sham"@ast . "Pak Chung Sham"@ast . "Pak Chung Sham"@en . "Pak Chung Sham"@en . "Pak Chung Sham"@ast . "Pak Chung Sham"@en . . "\u0434\u043E\u0441\u043B\u0456\u0434\u043D\u0438\u043A"@uk . . . "\u044D\u0440\u0434\u044D\u043C\u0442\u044D\u043D"@mn . .