Syamsu Rijal, Andi Caezar To Tadampali, Marhawati, Nur Arisah, and Sri Hutami Adiningsih S. “Human Resource Investment Strategy in Increasing Productivity of Economic Sectors in Indonesia: Penelitian”. Jurnal Pengabdian Masyarakat dan Riset Pendidikan 3, no. 4 (May 27, 2025): 2259–2265. Accessed April 27, 2026. https://jerkin.org/index.php/jerkin/article/view/823.