The Effect of a Spaced Repetition System on EFL Students’ Vocabulary Mastery: A One-Group Pretest-Posttest Study. Wanastra: Jurnal Bahasa dan Sastra, [S. l.], v. 18, n. 2, p. 130–137, 2026. DOI: 10.31294/wanastra.v18i2.12942. Disponível em: https://jurnal.bsi.ac.id/index.php/wanastra/article/view/12942. Acesso em: 14 aug. 2026.