Simanjuntak RRS, Simanjuntak MD, Hutagalung C, Pandiangan GR, Turnip IW, Herman H, Sihombing SD, Munthe B. Introducing the Benefits of Learning TOEFL at Twelfth Grade of SMA Teladan Pematang Siantar: A Socialization . IKHLAS [Internet]. 2023 Dec. 28 [cited 2025 Jul. 2];2(3):15-21. Available from: https://ejournal.indrainstitute.id/index.php/ikhlas/article/view/679