Tampubolon, Sahlan, Dameasi Bulan P Lumban Gaol, Nenni Triana Sinaga, and Sanggam P Gultom. 2023. “Students’ Ability in Pronouncing English Words by Using ELSA Speak Application of the Second-Year Students of SMA Eka Prasetya Medan ”. Innovative: Journal Of Social Science Research 3 (2):5041-48. https://j-innovative.org/index.php/Innovative/article/view/931.