PONGPUEN, T.; KIMURA, L. N.; KIJPOONPHOL, W.; ANUPAN, J. AN EFFECT OF A DIRECT METHOD ON 5TH GRADE STUDENTS’ ACQUISITION OF VERB INFLECTION MORPHEMES (- S, - ES, - ED, - ING). International Journal of Research -GRANTHAALAYAH, [S. l.], v. 6, n. 6, p. 310–321, 2018. DOI: 10.29121/granthaalayah.v6.i6.2018.1376. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A07_1474. Acesso em: 5 may. 2024.