Sinurat, Juwita Nova, Bonita Anjelina Sihombing, Setia Oktaviana Sirait, Aulia Agustina, Herman Herman, and Junita Batubara. 2023. “The Essential of Introducing TOEFL at Twelfth Grade Students of SMK GKPI 1 Pematangsiantar”. Abdimas Paspama 2 (1):35-41. https://paspama.org/index.php/abdimas/article/view/76.