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1Dahkki Helu, 'I. F. ('I. Futa)Fáttát “...Sālote Tupou III, Queen of Tonga, 1900-1965 Criticism, interpretation, etc....”
Almmustuhtton 2006
Girji -
2Almmustuhtton 2005“...Tonga Civilization....”
Girji -
3Dahkki Helu, 'I. F. ('I. Futa)“...Tonga Poetry History and criticism....”
Almmustuhtton 2012
Dihtorprográmma Girji -
4