Open Science Research Excellence
Tayebeh Norouzi,  The Phonology and Phonetics of Second Language Intonation in Case of “Downstep”.   journal   = {International Journal of Social, Behavioral, Educational, Economic, Business and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2018, vol. 141(9). 1163 - 1169[viewed 27 June 2019]. Available from: http://waset.org/publications/10009466.