MARCUS KHO GEE WHAI*; LEONG LAI MEI. Causes of Academic Oral Presentation Difficulties Faced by Students at a Polytechnic in Sarawak. The English Teacher, [S. l.], v. 44, n. 3, 2015. Disponível em: https://meltajournals.com/index.php/TET/article/view/124. Acesso em: 22 feb. 2026.