1. schuster M MA, Bockit T, Nkenke E, Holst A, Eysholdt U. automatically evaluated degree of intelligibility of children with different cleft type from preschool and elementary school measured by automatic speech recognition. . Int J Pediatr Otorhinolaryngol. 2012;76(3):362-369.##
2. Kummer AW. Cleft palate & craniofacial anomalies: Effects on speech and resonance.3rd ed. New York: Cengage Learning; 2014.p.400-425. ##
3. Kummer A. Cleft palate & craniofacial anomalies: Effects on speech and resonance. 3third, editor. New York: Cengage Learning; 2014. ##
4. Peterson-Falzone SJ, Hardin-Jones MA, Karnell MP, McWilliams BJ. Cleft palate speech: Mosby St. Louis; 2001. ##
5. Howard S. cleft palate speech: assessment and intervention. 2nd ed. University of Shefild: Department of human communication science; 2011. p.100-105. ##
6. Rezaei P, Sadeghi S, Samani M, Yazdi M, Derakhshandeh F, et al. The relationship between hypernasality and timing of primary palatal surgery and cleft type in 3-6 years old children with cleft palate. JRRS 2014 ;10(2):38-228.[Article in Persian]. ##
7. Hosseinabad HH, Derakhshandeh F, Mostaajeran F, Abdali H, Davari HA, Hassanzadeh A, et al. Incidence of velopharyngeal insufficiency and oronasal fistulae after cleft palate repair: A retrospective study of children referred to Isfahan Cleft Care Team between 2005 and 2009. Int J Pediatr Otorhinolaryngol. 2015;79(10):1722-6. ##
8. Derakhshandeh F, Poorjavad M. The Study of Speech Disorders and Middle Ear Diseases Following Primary Palatoplasty in Children with Cleft Palate. J Isfahan Med Sch 2011; 29(130): 222-9. [In Persian]. ##
9. Ysunza A, Pamplona C, Toledo E. Change in velopharyngeal valving after speech therapy in cleft palate patients. A videonasopharyngoscopic and multi-view videofluoroscopic study. International journal of pediatric otorhinolaryngology. 1992;24(1):45-54. ##
10. Pamplona MC, Ysunza A, Chavelas K, Arámburu E, Patiño C, Martà F, et al. A study of strategies for treating compensatory articulation in patients with cleft palate. Journal of maxillofacial and oral surgery.2012;11(2):144-51. ##
11. M.Albustanji Y. prevalence and types of articulation errors in Saudi Arabic speaking children with repaired cleft lip and palate. International journal of pediatric otorhinolaryngology. 2014;1707-1715. ##
12. Bispo NHM, Whitaker ME, Aferri HC, Neves JDA, Dutka JdCR, Pegoraro-Krook MI. Speech therapy for compensatory articulations and velopharyngeal function: a case report. Journal of Applied Oral Science. 2011;19(6):679-84. ##
13. Rong P. the effect of oral articulation on acoustic characteristics of nasalized vowels. journal of acoustical society of America. 2010;127(4),2543-2553. ##
14. Rong P. The effect of articulatory adjustment on reducing hypernasality. Journal of Speech, Language, and Hearing Research. 2012;55,1438-1448. ##
15. Henningsson G, Isberg, A. a cineradiographic study of velopharyngeal movement for deviant versus nondeviant articulation. cleft palate - craniofacial journal. 1991;28. ##
16. van Doorn J, Purcell A. Nasalance levels in the speech of normal Australian children. Cleft Palate Craniofac J 1998;35(4):287-92. ##
17. Bult ML. Nasality in healthy Dutch children. [Master Thesis Clinical Language Speech and Hearing Sciences]. Utrecht University; 2010. ##
18. Brunnegård K, Van Doorn J. Normative data on nasalance scores for Swedish as measured on the Nasometer: Influence of dialect, gender, and age. Clin Linguist Phon 2009;23(1):58-9. ##
19. Hamdan AL, Ziade G, Jabbor J, KHneizer G, Kutkut I. Nasalance scores in Lebanese english-speaking adults using nasometric analysis. J Med Liban 2015;63(4):203. ##
20. Tahmasebi-fard N. Study of resonance change and some voice parameters before and after re-repair secondary surgery in patients cleft palate with velopharyngeal insufficiency. [ Master's Thesis]. Faculty of Rehabilitation Sciences: Isfahan University of Medical Sciences; 2012. ##
21. Hirschberg J, Bak S, Juha¡sz Mr, Trenovszki Z, Votisky Pt, et al. Adaptation of nasometry to Hungarian language and experiences with its clinical application. Int J Pediatr Otorhinolaryngol 2006 ;70(5):785-98. ##
22. Sweeny T. relationship between perceptual rating of nasality and nasometry in children/adolescents with cleft palate and/or velopharyngeal dysfunction. international journal of language and communication disorders. 2008;43,NO.3,265-282. ##
23. Havstam C, Lohmander A, Persson C, Dotevall H, Lith A, Lilja J. Evaluation of VPI-assessment with videofluoroscopy and nasoendoscopy. British journal of plastic surgery. 2005;58(7):922-31. ##
24. Byiers BJ, Reichle J, Symons FJ. Single-subject experimental design for evidence-based practice. American Journal of Speech-Language Pathology.21(4):397-414. ##
25. Carter R, Lubinsky J, Domholdt E. Rehabilitation research: principles and applications: Elsevier Health Sciences ;2010.p.340-360. ##
26. Sell D, John A, Hardingâ€Bell A, Sweeney T, Hegarty F, Freeman J. Cleft Audit Protocol for Speech (CAPSâ€A): a comprehensive training package for speech analysis. International Journal of Language & Communication Disorders. 2009;44(4):529-48. ##
27. Derakhshande f, Amiriyan A, Salehi A, Soleimani B. Evaluating Intra- and Inter-Rater Reliability For Cleft Palate Speech Assessment Test Based On Universal Parameters System – In Persian. Jrrs. 2011;7(4):470-6. .[Article in Persian]. ##
28. Amirian A. Universal parameters for reporting speech outcomes in individuals with cleft palate. [MSc. Thesis]. Isafahan: School of Rehabilitation, Isfahan University of Medical Sciences; 2011. ##
29. Ashtab F, Derakhshandeh F, Qofrani A, Naderifar E. Determining reliability and validity of SNAP test for evaluating speech nasality. 13th speech and language pathology s cong; 2015 Apr.12; Tehran, Iran.P.23-23. ##
30. Peterson-Falzone SJ, Trost-Cardamone JE, Karnell MP, Hardin-Jones MA. The clinician's guide to treating cleft palate speech: Mosby/Elsevier Philadelphia; 2006. ##
31. Golding-Kushner K. Therapy Techniques for Cleft Palate Speech and Related Disorders. San Diego, CA: Singular Back to cited text.2001; (19). ##
32. Derakhshandeh F, Rezaei P, Gelmani pur M. Speech in cleft lip and palate. 1st ed. Medical university of Isfahan: Honarhaye ziba; 2001. P.67. ##
33. Derakhshandeh F, Nikmaram M, Hosseinabad HH, Memarzadeh M, Taheri M, Omrani M, et al. Speech characteristics after articulation therapy in children with cleft palate and velopharyngeal dysfunction–A single case experimental design. Int J Pediatr Otorhinolaryngol. 2016;86:104-13. ##
34. Kuehn DP, Imrey PB, Tomes L, Jones DL, O'Gara MM, Seaver EJ. Efficacy of Continuous Positive Airway Pressure(CPAP) in the treatment of Hypernasality. Cleft Palate Craniofac J. 2001;39(3):267-76. ##
35. Scarmagnani RH, Barbosa DA, Fukushiro AP, Salgado MH, Trindade IE, Yamashita RP. Relationship between velopharyngeal closure, hypernasality, nasal air emission and nasal rustle in subjects with repaired cleft. InCoDAS 2015 Jun (Vol. 27, No. 3, pp. 267-272). Sociedade Brasileira de Fonoaudiologia. ##