543,322 HILLEBOE HERMAN E., BARKHUUS ARNE, THOMAS WILLIAM C. Approaches to national health planning / Herman E. Hilleboe, Arne Barkhuus, William C. Thomas jr ; with a chapter by I.D. Bogatyrev and M.P. Rojtman, -Geneva : World Health Organization, 1972. -108 s. ; 22 cm (Public Health Papers / WHO ; nr 46)