Lubis, Rica Umrina, and Indra Kurniawan Siregar. “FLIPGRID:Learning Based-Application Towards Speaking Class”. Proceeding of International Conference on Language Pedagogy (ICOLP) 1, no. 1 (December 31, 2021): 325–330. Accessed March 1, 2025. https://proceeding-icolp.fbs.unp.ac.id/index.php/icolp/article/view/57.