GUFRON. PENGARUH METODE PEMBELAJARAN FLIPPED CLASSROOM TERHADAP KEMAHIRAN GRAMMAR SUBJECT-VERB AGREEMENT. BULLET : Jurnal Multidisiplin Ilmu, [S. l.], v. 1, n. 06, p. 1188–1196, 2022. Disponível em: https://journal.mediapublikasi.id/index.php/bullet/article/view/1999. Acesso em: 25 nov. 2024.