Sembiring, Birka Septy, Yusman Syaukat, and Hastuti. “STRUKTUR PASAR DAN DAYA SAING KARET ALAM INDONESIA DI AMERIKA SERIKAT”. Buletin Ilmiah Litbang Perdagangan 15, no. 2 (December 24, 2021): 235-256. Accessed November 22, 2024. https://jurnal.kemendag.go.id/bilp/article/view/623.