Clunies Ross, Anthony Ian. The 1974/75 rural survey : aims, scope and methods / A.I. Clunies Ross, R.L. Curtain, and J.D. Conroy. - Boroko : New Guinea Research Unit, 1975. - 25 p. - New Guinea Research Unit discussion paper ; no. 7 . Cover title. Subjects--Topical Terms: Migration, Internal--Papua New Guinea. Subjects--Geographic Terms: Papua New Guinea--Rural conditions.