information system, and they agreed with the recommendations of the Seminar on Information Systems for the Advancement of Women for National Machinery. Information, such as statistical data, was indispensable and should be circulated at all levels with a feed-back system. The role of the media and non-governmental organizations was clearly essential, for example, in informing women of their rights, and should also be targeted at men. Some representatives elaborated on the role of documentation centres, the development of specific information systems with the help of the organizations of the United Nations system in areas such as unequal pay, unpaid work and innovative policies and programmes. Several representatives stressed the role of networking, since it increased the impact of women and better utilized resources, and was essential at the national, regional, subregional and international levels. Some repres@ntatives underlined the need for training in information and the usefulness of co-operating with the regional commissions and the Branch for the Advancement of Women. One representative identified issues that required further elaboration, such as compatability between systems, adapting systems to several languages, co-ordination in information and the need to mobilize sufficient resources for national and international development of the system, since it was also important that the United Nations continue to play a role in that area. It was suggested that expert g~oups could also assjst in that respect. 166. One country referred to the ILO Night Work (Women) Convention (Revised), 1948 (No. 89) and welcomed the decision taken by ILO to review the matter, since it appeared to have created problems in many countries. 167. The representatives of INSTRAW, ILO, UNIFEM and the United Nations Centre for Human Settlements (Habitat) described th& activities of their organizations in the field of national machinery, which ranged from direct assistance in order to 
**Analysis**
The text discusses the development of a national machinery for the advancement of women, highlighting the importance of information systems, documentation centers, and networking. It also touches on specific issues such as unequal pay, unpaid work, and innovative policies and programs. This suggests that the category should be related to employment, education, or social development.

**Category**
Employment, Education