Proposed programme budget for the biennium 1974-1975 and medium-term plan for the period 1974-1977 : United Nations Conference-Exposition on Human Settlements : administrative and financial implications of the draft resolution contained in document A/C.2/L.1312/Rev.1 : 24th report of the Advisory Committee on Administrative and Budgetary Questions to the General Assembly at its 28th session on the proposed programme budget for the biennium 1974-1975