Duke, R. T. (1965). The position of ward sister as the "centre" of a communication network in hospitals, and its implications for hospital management. University of New South Wales, School of Hospital Administration.

Duke, R. T. The Position of Ward Sister as the "Centre" of a Communication Network in Hospitals, and Its Implications for Hospital Management. Kensington, N.S.W.: University of New South Wales, School of Hospital Administration, 1965.

Duke, R. T. The Position of Ward Sister as the "Centre" of a Communication Network in Hospitals, and Its Implications for Hospital Management. University of New South Wales, School of Hospital Administration, 1965.