Suprayitno, Bambang, Tejo Nurseto, and Supriyanto Supriyanto. “Is The Human Capital Investment of Provincial Governments Productive in Decentralization Era?”. Jurnal Economia 13, no. 1 (April 1, 2017): 39–55. Accessed May 12, 2025. https://journal.uny.ac.id/index.php/economia/article/view/11154.