1.
Rahel P, Sinaga AR, Siahaan BL. The Effect Of Using Instagram Application On Students’ Speaking Ability At Grade X In SMA Negeri 4 Pematangsiantar In 2022/2023 Academic Year. JPDK [Internet]. 2022 Nov. 1 [cited 2025 Dec. 16];4(6):154-61. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8129