public String findSheetFirstNameFromExternSheet(int externSheetIndex){int indexToSheet = linkTable.getFirstInternalSheetIndexForExtIndex(externSheetIndex);return findSheetNameFromIndex(indexToSheet);}
public String FindSheetFirstNameFromExternSheet(int externSheetIndex){int indexToSheet = linkTable.GetFirstInternalSheetIndexForExtIndex(externSheetIndex);return FindSheetNameFromIndex(indexToSheet);}