MUHSIN, Arief. The Effectiveness of Positive Feedback in Teaching Speaking Skill. Lingua Cultura, [S. l.], v. 10, n. 1, p. 25–30, 2016. DOI: 10.21512/lc.v10i1.873. Disponível em: https://journal.binus.ac.id/index.php/Lingua/article/view/873. Acesso em: 7 jul. 2025.