Apud Abdul Aziz, and Adie Kusna Wibowo. “Economic Education Analysis: The Relationship Between Education Investment And Labor Productivity”. Jurnal Pendidikan Indonesia 3, no. 2 (June 30, 2025): 9–16. Accessed July 13, 2025. https://ejournal.alhafiindonesia.co.id/index.php/JOUPI/article/view/503.