Hajry Arief Wahyudy, Khairizal, and Heriyanto. “Perkembangan Ekspor Karet Alam Indonesia”. DINAMIKA PERTANIAN 34, no. 2 (August 5, 2020): 87–94. Accessed April 26, 2024. https://journal.uir.ac.id/index.php/dinamikapertanian/article/view/5409.