CRC/C/MDA/CO/3 page 14 (a) Undertake a comprehensive national survey of the number, composition and characteristics of working children in order to design and implement comprehensive strategies and policies to address its causes with a view to enhancing prevention and, where children are legally employed, ensure that their work is not exploitative and is in accordance with international standards; (b) Establish, if necessary, cooperation with ILO-IPEC and UNICEF in this regard. Children living or working in the streets 66. The Committee notes that some measures have been taken by the State party to address the situation of children who live or work in the streets. The Committee is, however, concerned at the absence of detailed information on the number of these children. 67. The Committee recommends that the State party: (a) Take all necessary measures to ensure that children living or working in the streets have equal access to social and other services, including the provision of health care; (b) Develop effective strategies to address the root causes behind children living or working in the streets and to increase awareness of their rights. Trafficking 68. The Committee notes that some measures have been taken by the State party to combat trafficking and to provide assistance to victims of trafficking, such as the adoption of the National Plan to Prevent and Combat Trafficking in Human Beings. The Committee, however, is concerned about the prevalence of trafficking of children for the purposes, inter alia, of sexual and economic exploitation. 69. The Committee recommends that the State party: (a) Fully implement the National Plan to Prevent and Combat Trafficking in Human Beings, in order to protect children against trafficking; (b) Strengthen measures to protect children who are victims of sexual exploitation, including trafficking and prostitution, and bring perpetrators of sexual abuse and exploitation to justice; (c) Train law enforcement officials, judges and prosecutors on how to receive, monitor and investigate complaints in a child-sensitive manner that respects confidentiality; (d) Implement appropriate policies and programmes for the prevention, recovery and social reintegration of child victims, in accordance with the outcome documents adopted at the first, second and third World Congresses against Commercial Sexual Exploitation of Children in 1996, 2001 and 2008, respectively; (e) Prioritize the rehabilitation of child victims of trafficking and ensure that education and training, as well as psychological assistance and counselling, are provided to them;