Implementation of the International Covenant on Economic, Social and Cultural Rights : joint written statement / submitted by the Russian non-governmental organizations Patients' Defenders League, Independent Psychiatric Association of Russia, Independent Institute for Social Policy, Civil Society Foundation, Centre for Educational Monitoring and Statistics, Centre for the Development of Democracy and Human Rights and Center for Social and Labour Rights with the support of non-governmental organizations in special consultative status with the United Nations Economic and Social Council, the International Helsinki Federation and the Network of Russian NGOs to Promote and Protect Social and Economic Rights in the Russian Federation Using International Instruments