and the Rules for the Protection of Juveniles Deprived of their Liberty. The ombudsman or other organ would, at regular intervals, publish a report on the progress made and on the difficulties encountered in the implementation of the instrument. Child advocacy services should also be established. 58. Law enforcement and other relevant personnel, of both sexes, should be trained to respond to the special needs of young persons and should be familiar with and use, to the maximum extent possible, programmes and referral possibilities for the diversion of young persons from the justice system. 59. Legislation should be enacted and strictly enforced to protect children and young persons from drug abuse and drug traffickers. VII. RESEARCH, POLICY DEVELOPMENT AND CO-ORDINATION 60. Efforts should be made and appropriate mechanisms established to promote, on both a multidisciplinary and an intradisciplinary basis, interaction and co-ordination between economic, social, educational and health agencies andservices, the justice system, youth, community and development agencies and other relevant institutions. 61. The exchange of information, experience and expertise gained through projects, programmes, practices and initiatives relating to youth crime, delinquency prevention and juvenile justice should be intensified at the national, regional and international levels. 62. Regional and international co-operation on matters of youth crime, delinquency prevention and juvenile justice involving practitioners, experts and decision makers should be further developed and strengthened. 63. Technical and scientific co-operation on practical and policy-related matters, particularly in training, pilot and demonstration projects, and on specific issues concerning the prevention of youth crime and juvenile delinquency should be strongly supported by all Governments, the United Nations system and other concerned organizations. 64. Collaboration should be encouraged in undertaking scientific research with respect to effective modalities for youth crime and juvenile delinquency prevention and the findings of such research should be widely disseminated and evaluated. 65. Appropriate United Nations bodies, institutes, agencies and offices should pursue close collaboration and co-ordination on various questions related to children, juvenile justice and youth crime and juvenile delinquency prevention. 66. On the basis of the present Guidelines, the United Nations Secretariat, in co-operation with interested institutions, should play an active role in the conduct of research, scientific collaboration, the formulation of policy options and the review and monitoring of their implementation, and should serve as a source of reliable information on effective modalities for delinquency prevention.