Irawan, Bambang. “Soil Properties and the Abundace of Ironwood (Eusideroxylon Zwageri Teijsm.& Binn.) Varieties in Jambi, Indonesia”. Jurnal Manajemen Hutan Tropika 21, no. 3 (December 31, 2015): 155-161. Accessed April 28, 2024. https://journal.ipb.ac.id/index.php/jmht/article/view/10797.