SILVESTA, Y. P.; MUSTAFA, I.; SEDU, V. A. The Role of Effective Communication Training to Improve Skills and Productivity by the Sikka Regency Manpower and Transmigration Service. Jurnal Indonesia Sosial Sains, [S. l.], v. 6, n. 1, p. 53–57, 2025. DOI: 10.59141/jiss.v6i1.1558. Disponível em: https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1558. Acesso em: 28 jun. 2025.