1. Ward D. Stuttering and cluttering: frameworks for understanding and treatment: Psychology Press; 2008.
2. Archibald L, De Nil LF. The relationship between stuttering severity and kinesthetic acuity for jaw movements in adults who stutter. Journal of Fluency Disorders 1999; 24(1): 25-42.
3. Dehqan A, Ali Dashti G, Mirzadeh M. Phonatory vocal tract stability in stuttering children before and after fluency–enhancing therapy. Kathmandu University Medical Journal 2012; 8(4): 405-9.
4. Raza MH, Riazuddin S, Drayna D. Identification of an autosomal recessive stuttering locus on chromosome 3q13. 2–3q13. 33. Human genetics 2010; 128(4): 461-3.
5. Max L, Guenther FH, Gracco VL, Ghosh SS, Wallace ME. Unstable or insufficiently activated internal models and feedback-biased motor control as sources of dysfluency: A theoretical model of stuttering. Contemporary issues in communication science and disorders 2004; 31(Spring):105-22.
6. Cross DE, Luper HL. Voice reaction time of stuttering and nonstuttering children and adults. Journal of Fluency Disorders 1979; 4(1): 59-77.
7. Jäncke L, Bauer A, Kalveram K. Duration of phonation under changing stress conditions in stuttering and non-stuttering adults. Clinical linguistics & phonetics 1996; 10(3): 225-34.
8. Schwartz, Martin F. Stuttering Solved. Philadelphia :Lippincott; 1976.
9. Wyke, B. Neurological mechanisms in stammering: An hypothesis, British journal of Communication 1970; 5: 6- 15.
10. Adams, M., and Reis, R. The influence of the onset of phonation on the frequencyof stuttering. journal of Speech and Hearing Research 1971; 14: 639-644.
11. Zimmermann G. Articulatory dynamics of fluent utterances of stutterers and nonstutterers. Journal of Speech, Language, and Hearing Research. 1980; 23(1): 95-107.
12. Brown, Spencer F. The loci of stuttering in the speech sequence. Journal of Speech Disorders 1945; 10(3): 181-92.
13. De Nil, L. F., & Abbs, J. H. Kinaesthetic acuity of stutterers and non-stutterers for oral and non-oral movements. Brain 1991; 114: 2145–2158.
14. Peters HF, Boves L. Coordination of aerodynamic and phonatory processes in fluent speech utterances of stutterers. Journal of Speech, Language, and Hearing Research 1988; 31(3): 352-61.
15. Watson BC, Alfonso PJ. Foreperiod and stuttering severity effects on acoustic laryngeal reaction time. Journal of Fluency Disorders 1983; 8(3): 183-205.
16. Jäncke L. Variability and duration of voice onset time and phonation in stuttering and nonstuttering adults. Journal of Fluency Disorders 1994; 19(1): 1-37.
17. Ahmasebi Garmatani N, Shafiei B, Feizi A, Salehi A, Howell P, et al. Determining the reliability of the Persian version of stuttering severity instrument-for adults. Journal of Research in Rehabilitation Sciences 2012; 1(1): 605-1.
18. Bakhtiar M, Seifpanahi S, Ansari H, Ghanadzade M, Packman A. Investigation of the reliability of the SSI-3 for preschool Persian-speaking children who stutter. Journal of Fluency Disorders 2010; 35(2): 87-91.
19. Tumanova V, Zebrowski PM, Throneburg RN, Kayikci MEK. Articulation rate and its relationship to disfluency type, duration, and temperament in preschool children who stutter. Journal of communication disorders 2011; 44(1): 116-29.
20. Onslow M, Packman A. The Lidcombe Program of early stuttering intervention. Treatment and research: Bridging the gap 1999: 193-20.
21. Healey EC, Ramig PR. Acoustic measures of stutterers' and nonstutterers' fluency in two speech contexts. Journal of Speech, Language, and Hearing Research 1986; 29(3): 325-31.
22. Di simoni FG, Preliminary study of certain timing relationships in the speech of stutterers.the journal of the acoustical society of America 1974; 56(2): 695-6.
23. Healey EC, Adams MR. Speech timing skills of normally fluent and stuttering children and adults. Journal of Fluency Disorders 1981; 6(3): 233-46.
24. Healey EC, Ramig PR. Acoustic measures of stutterers' and nonstutterers' fluency in two speech contexts. Journal of Speech, Language, and Hearing Research 1986; 29(3): 325-3.
25. Caruso AJ, Gracco VL, Abbs JH. A speech motor control perspective on stuttering: Preliminary observations: Springer; 1987.
26. McClean, M. D., Kroll, R. M., & Loftus, N. S. (1990). Kinematic analysis of lip closure in stutterers’ fluent speech. Journal of Speech and Hearing Research, 33 , 755–760
27. McKnight, Roxanne C ,Cullinan, Walter L. Subgroups of stuttering children: Speech and voice reaction times, segmental durations, and naming latencies1987;12(3): 217-33
28. Mallard A, Westbrook J. Vowel duration in stutterers participating in precision fluency shaping. Journal of Fluency Disorders 1985; 10(3): 221-8.
29. Kalveram, Karl Theodor, Jäncke, L. Vowel duration and voice onset time for stressed and nonstressed syllables in stutterers under delayed auditory feedback condition: Folia Phoniatrica et Logopaedica1989:41(1):30-42.
30. Cutler A. Phoneme-monitoring reaction time as a function of preceding intonation contour. Perception & Psychophysics 1976; 20(1): 55-60.0.