SUTANA, Jocelyn; WENNY; LISA, Mei; PAULIA. The Effectiveness of Lecture and Demonstration Methods in Improving the Communication Skills of Students in the Mandarin Language Program at Prima Indonesia University. Jurnal Indonesia Sosial Sains, [S. l.], v. 7, n. 4, p. 1223–1233, 2026. DOI: 10.59141/jiss.v7i4.2298. Disponível em: https://jiss.publikasiindonesia.id/index.php/jiss/article/view/2298. Acesso em: 16 apr. 2026.