Yovi, Efi Yuliati, et al. “Sources of Timber and Constraints to the Timber Acquisition of Jepara‘s Small-Scale Furniture Industries”. Jurnal Manajemen Hutan Tropika, vol. 15, no. 1, May 2011, pp. 32-40, https://journal.ipb.ac.id/jmht/article/view/3235.