Abrar, A. E. Y., and A. aya. “THE USE OF YOUTUBE TUTORIAL VIDEOS TO IMPROVE STUDENTS’ SPEAKING SKILL AT THE SECOND GRADE STUDENTS OF SMA NEGERI 4 BULUKUMBA”. English Language Teaching for EFL Learners, Vol. 4, no. 1, Sept. 2021, pp. 1-11, doi:10.24252/elties.v3i2.28256.