[15] LS De, E Freriksen, MP Vervloed. “Attitudes of Children and Adolescents toward Persons Who Are Deaf, Blind, Paralyzed or Intellectually Disabled”, Research in Developmental Disabilities, 2013,34(2),pp.855-863.
[16] G Stankovska, S Angelkoska, SP Grncaroska. “Education of Students with Special Educational Needs and Their Inclusion in the Community”, Bulgarian Comparative Education Society , 2015,6(4),pp.306-31