NIWANDA, Tantri; DEWI , Desi Surlitasari; ADAM, Adam. Factors Influencing the Decline of Students’ Motivation in Higher Education Speaking Classes at the University of Riau Kepulauan. Language and Education Journal, [S. l.], v. 11, n. 1, p. 16–31, 2026. DOI: 10.52237/lej.v11i1.402. Disponível em: https://ejournal.uniski.ac.id/index.php/lej/article/view/402. Acesso em: 7 may. 2026.