Situmorang I, Sitompul HS. Seventh Grade Students’ Perceptions on the Use of Zoom in English Learning During Covid 19 in Pematangsiantar. Scientia [Internet]. 27 Agustus 2021 [dikutip 17 Mei 2024];10(1):27-4. Tersedia pada: http://infor.seaninstitute.org/index.php/pendidikan/article/view/177