tionally recognized principles of non-discrimination, including the prohibition of racial discrimination and the availability of appropriate legal redress; 39. Calls upon States to ensure that Roma/Gypsy/Sinti/ Traveller children and youth, especially girls, are given equal access to education and that educational curricula at all levels, including complementary programmes on intercultural education, which might, inter alia, include opportunities for them to learn the official languages in the pre-school period and to recruit Roma/Gypsy/Sinti/Traveller teachers and classroom assistants in order for such children and youth to learn their mother tongue, are sensitive and responsive to their needs; 40. Encourages States to adopt appropriate and concrete policies and measures, to develop implementation mechanisms, where these do not already exist, and to exchange experiences, in cooperation with representatives of the Roma/Gypsies/Sinti/Travellers, in order to eradicate discrimination against them, enable them to achieve equality and ensure their full enjoyment of all their human rights, as recommended in the case of the Roma by the Committee on the Elimination of Racial Discrimination in its general recommendation XXVII, so that their needs are met; 41. Recommends that the intergovernmental organizations address, as appropriate, in their projects of cooperation with and assistance to various States, the situation of the Roma/Gypsies/Sinti/Travellers and promote their economic, social and cultural advancement; asdf United Nations 60