ARBAIN, Arbain. Studi Tentang Penyebaran Pohon Ulin (Eusideroxylon Zwageri Teijsm. & Binn.) Di Taman Nasional Kutai Kalimantan Timur. Jurnal Pertanian Terpadu, [S. l.], v. 3, n. 1, p. 144–153, 2015. DOI: 10.36084/jpt.v3i1.95. Disponível em: https://ojs.mine-cloud.my.id/index.php/jpt/article/view/95. Acesso em: 14 mar. 2026.