HERVINNA FEBRIANI SITORUS; PUTRI VANIARISA SINAGA; SYNTIA DEVI LUMBAN GAOL; ROSALINA IMELDA OCTAVIANA SITUMORANG; SELVIANA NAPITUPULU. Speaking Problems in Vocational High School. International Journal of Education and Humanities, [S. l.], v. 2, n. 1, p. 13–23, 2022. DOI: 10.58557/ijeh.v2i1.41. Disponível em: https://i-jeh.com/index.php/ijeh/article/view/41. Acesso em: 3 jun. 2026.