Open Science Research Excellence
H. Maalem and  F. Marir,  Trispectral Analysis of Voiced Sounds Defective Audition and Tracheotomisian Cases.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2007, vol. 9(9). 1396 - 1400[viewed 26 March 2019]. Available from: http://waset.org/publications/5303.