A/RES/58/157 Migrant children 36. Calls upon all States to ensure, for migrant children, the enjoyment of all human rights as well as access to health care, social services and education of good quality and to ensure that migrant children, and especially those who are unaccompanied, in particular victims of violence and exploitation, receive special protection and assistance; Children working and/or living on the street 37. Also calls upon all States to prevent violations of the rights of children working and/or living on the street, including discrimination, arbitrary detention and extrajudicial, arbitrary and summary executions, torture, all kinds of violence and exploitation, and to bring the perpetrators to justice, to adopt and implement policies for the protection, social and psychosocial rehabilitation and reintegration of these children and to adopt economic, social and educational strategies to address the problems of children working and/or living on the street; Refugee and internally displaced children 38. Further calls upon all States to protect refugee, asylum-seeking and internally displaced children, in particular those who are unaccompanied, who are particularly exposed to risks in connection with armed conflict, such as recruitment, sexual violence and exploitation, to pay particular attention to programmes for voluntary repatriation and, wherever possible, local integration and resettlement, to give priority to family tracing and reunification and, where appropriate, to cooperate with international humanitarian and refugee organizations, including by facilitating their work; Child labour 39. Calls upon all States to translate into concrete action their commitment to the progressive and effective elimination of child labour that is likely to be hazardous to or interfere with the child’s education or to be harmful to the child’s health or physical, mental, spiritual, moral or social development, to eliminate immediately the worst forms of child labour, to promote education as a key strategy in this regard, including the creation of vocational training and apprenticeship programmes and the integration of working children into the formal education system, and to examine and devise economic policies, where necessary, in cooperation with the international community, that address factors contributing to these forms of child labour; 40. Urges all States that have not yet done so to consider ratifying the Convention concerning Minimum Age for Admission to Employment, 1973 (Convention No. 138) and the Convention concerning the Prohibition and Immediate Action for the Elimination of the Worst Forms of Child Labour, 1999 (Convention No. 182) of the International Labour Organization, and calls upon States parties to those instruments to implement them fully and to comply in a timely manner with their reporting obligations; 9