Yusanti G, Ningrum ASB, Aini N, Al Aziz EN. Speech Act Analysis on Joe Biden’s Speech about Covid-19. Arbitrer [Internet]. 2022 May 8 [cited 2026 Feb. 28];9(1):57-70. Available from: https://arbitrer.fib.unand.ac.id/index.php/arbitrer/article/view/280