18/4 Implementation of General Assembly resolution 53/242 and cooperation between the United Nations Centre for Human Settlements (Habitat) and the United Nations Environment Programme (subprogrammes 1 to 3)
18/4 大会第53/242号决议的执行情况和联合国人类住区中心（人居中心）与联合国环境规划署之间的合作（次级方案1至3）