KUSUMAWARDHANI, H.; S, S.; KURNIAWAN, I. The Effect of Reinforcement toward Students’ Speaking Ability. Journal of English Education and Teaching, [S. l.], v. 3, n. 3, p. 299–310, 2019. DOI: 10.33369/jeet.3.3.299-310. Disponível em: https://ejournal.unib.ac.id/JEET/article/view/8204. Acesso em: 2 may. 2024.