Franiok, P. Reflection of education of pupils with special educational needs (mentally handicapped pupils). Габрово: 2012 374-377,.
Franiok, P. Reflection of education of pupils with special educational needs (mentally handicapped pupils). Габрово: 2012 374-377,.
Franiok, P. (2012) Reflection of education of pupils with special educational needs (mentally handicapped pupils), Габрово: 374-377,.
Franiok, P. (2012). Reflection of education of pupils with special educational needs (mentally handicapped pupils). Формиране на гражданина и професионалиста в условията на университетското образование (с. 374-377). Габрово: Кн. 1 Т. 2 (1).
Franiok P. Reflection of education of pupils with special educational needs (mentally handicapped pupils). Габрово: 2012. p. 374-377.