Anon. 1957. Agricultural extension development centre. Secretariat, South Pacific Commission Session (17th: 19 October - 6 November 1957: Noumea, New Caledonia). SPC17/Sec 46 Noumea, New Caledonia. : SPC. , 1957. 1p. https://www.spc.int/digitallibrary/get/kvzpb