KUSUMANINGRAT, C. I. M. Guide Conversation Method In English Speaking Learning For Business Administration Class. Ganaya : Jurnal Ilmu Sosial dan Humaniora, [S. l.], v. 4, n. 1, p. 285–299, 2021. DOI: 10.37329/ganaya.v4i1.1266. Disponível em: https://jayapanguspress.penerbit.org/index.php/ganaya/article/view/1266. Acesso em: 22 jul. 2024.