1.
Nainggolan KSL, Napitupulu S, Hutabarat NMP. Teachers’ Techniques In Teaching Speaking At Grade Eleven Of SMA Negeri 3 Pematang Siantar. JPDK [Internet]. 2022Nov.21 [cited 2024Jun.30];4(6):5550-7. Available from: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/9161