na INLIS000000000056854 eng 0010-0617015746 The Work of W.H.O. 1988-1989 / Biennial Report of the Directory General to The World Health Assembly and to the United Nations World Health Organization, 1990 xiii, 265 hlm. : il 24 cm. 9241561335 354.177 Wor w 354.177 world health 103890112