Executive Board [Ke-18 : 1956 : Geneva]; World Health Assembly; Perserikatan Bangsa-Bangsa. (1956). Executive Board eighteenth session, Geneva, 28-30 May 1956 : resolutions, annexes. Geneva :: World Health Organization,.
Executive Board [Ke-18 : 1956 : Geneva]; World Health Assembly; Perserikatan Bangsa-Bangsa. Executive Board eighteenth session, Geneva, 28-30 May 1956 : resolutions, annexes. Geneva :: World Health Organization,, 1956
Executive Board [Ke-18 : 1956 : Geneva]; World Health Assembly; Perserikatan Bangsa-Bangsa. Executive Board eighteenth session, Geneva, 28-30 May 1956 : resolutions, annexes. Geneva :: World Health Organization,, 1956.