[1]
T. Georgievska-Jancheska, J. Gjorgova, and M. Popovska, “The Role of the Velopharyngeal Sphincter in the Speech of Patients with Cleft Palate or Cleft Lip and Palate Using Perceptual Methods”, Open Access Maced J Med Sci, vol. 4, no. 4, pp. 674–679, Dec. 2016.