Silvesta, Yosefina Pausta, Intan Mustafa, and Viktor Ariestyan Sedu. “The Role of Effective Communication Training to Improve Skills and Productivity by the Sikka Regency Manpower and Transmigration Service”. Jurnal Indonesia Sosial Sains 6, no. 1 (January 25, 2025): 53–57. Accessed June 28, 2025. https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1558.