Laoli, Adieli, Rizka Handayani Hia, Fincessia Febrianti Maruao, Jernita Gulo, and Sailas Mardianti Zega. 2025. “The Impact of Teacher Training on Student Achievement in English Teaching-Learning at SMA S Nupela”. Kopula: Jurnal Bahasa, Sastra, Dan Pendidikan 7 (1):219-25. https://doi.org/10.29303/kopula.v7i1.6292.