1. Bulgarian Helsinki Committee. 2017. Alternative report about the rights of persons of disabilities in Bulgaria under the UN Convention on the rights of persons with disabilities. Sofia: BHC. https://issuu.com/bghelsinki/docs/2017-int_crpd_ico_bgr_27646_e.
2. Butler, Israel. 2017. “Participatory democracy under threat: Growing restrictions on the freedoms of ngos in the EU.” Civil Liberties Union for Europe. https://www.liberties.eu/en/stories/participatory-democracy-under-threat-summary/12699.
3. “Closing space for international democracy and human rights support.”;Journal of Human Rights Practice,2016
4. Centre for Independent Living (CIL). 2020. Disabilities and social inclusion in the persons with disabilities act. Retrieved from https://cil.bg/wp-content/uploads/2022/07/Analysis-Disability-Law-2020.pdf.