World Health Organization. Director-General; World Health Assembly; Perserikatan Bangsa-Bangsa. (1962). Financial report 1 January - 31 December 1961 : supplement t the annual report of the Director-General for 1961 and report of the external auditor to the World Health Assembly. Geneva :: World Health Organization,.
World Health Organization. Director-General; World Health Assembly; Perserikatan Bangsa-Bangsa. Financial report 1 January - 31 December 1961 : supplement t the annual report of the Director-General for 1961 and report of the external auditor to the World Health Assembly. Geneva :: World Health Organization,, 1962
World Health Organization. Director-General; World Health Assembly; Perserikatan Bangsa-Bangsa. Financial report 1 January - 31 December 1961 : supplement t the annual report of the Director-General for 1961 and report of the external auditor to the World Health Assembly. Geneva :: World Health Organization,, 1962.