Haji, S. S., and F. O. Mohammed. “An Analysis of the Pronouncing of English Monophthongs by Kurdish EFL University Students (Northern Kurmanji Speakers)”. Humanities Journal of University of Zakho, vol. 7, no. 4, Dec. 2019, pp. 515-24, doi:10.26436/hjuoz.2019.7.4.561.