Hovyan, G., and M. Hambardzumyan. “FEATURES OF SPEECH THERAPY WITH THE STUDENTS HAVING 4-TH LEVEL OF GENERAL SPEECH DISORDER”. Armenian Journal of Special Education, vol. 3, no. 2, June 2017, pp. 103-8, https://archiv.specedjournal.aspu.am/index.php/se/article/view/197.