Sirait, Robby Alexander, and Adhi Prasetyo Satrio Wibowo. “The Competitiveness of Indonesian Rubber in the ASEAN Market Before and After Implementation of the ASEAN Economic Community”. Jurnal Budget : Isu dan Masalah Keuangan Negara 6, no. 2 (November 16, 2021). Accessed March 15, 2025. https://ejurnal.dpr.go.id/index.php/jurnalbudget/article/view/113.