Sitorus, N. C., Saragi, C., Silitonga, H. H., & Simarmata, R. O. (2023). The Effect Of The Ts-Ts Learning Model To Improve Speaking Skill At Grade X In SMA Negeri 1 Baktiraja. Innovative: Journal Of Social Science Research, 3(2), 5599–5607. Retrieved from https://j-innovative.org/index.php/Innovative/article/view/988