Requests those bodies responsible for the implementation of the International Development Strategy for the Second United Nations Development Decade,26 as well as for the various social and economic longterm plans and programmes worked out within the United Nations system in the context of the Decade and for the review and appraisal of objectives and policies during the Decade, to aim at the most effective integration of policy measures across the different sectors, based, inter alia, on the principles and guidelines embodied in the unified approach;