Saragih, M., K. Sipayung, and L. W. Manurung. “The Effect of Using Cake and ELSA Speak Application on Students’ Pronunciation Skills at the Eighth Grade of SMP Negeri 25 Medan”. Journey: Journal of English Language and Pedagogy, Vol. 6, no. 3, Nov. 2023, pp. 634-47, doi:10.33503/journey.v6i3.3728.